user docs: Remove outdated app guides.

templates/zerver/help/include/sidebar.md

@@ -100,12 +100,7 @@
 
 ## Apps
 * [Desktop installation guides](/help/desktop-app-install-guide)
-* [Tips for Zulip on Windows](/help/zulip-on-windows)
-* [Tips for Zulip on Android](/help/zulip-on-android)
 * [Zulip in a Terminal](/help/zulip-in-a-terminal)
-<!-- Zulip on macOS -->
-<!-- Zulip on Linux -->
-<!-- Zulip on iOS -->
 <!-- Connect to Zulip over IRC/etc (not implemented?) -->
 
 # Zulip administration

templates/zerver/help/zulip-on-android.md

@@ -1,148 +0,0 @@
-# Using Zulip on Android
-
-Zulip has an Android application, compatible with Android versions 3.2 and
-higher. The app can be downloaded from the
-[Google Play Store](https://play.google.com/store/apps/details?id=com.zulipmobile).
-
-## Initial setup
-### Connecting to a server
-
-When you open the app for the first time or after you log out, a screen asking
-for your server's address appears. You have to write the server's URL in it, and
-press **Enter**.
-
-!!! warn ""
-    **Note:** There's no need to add `https://` in case your server is running a secure
-    HTTP (HTTPS) protocol.
-
-    However, if your server uses an insecure HTTP connection, you'll have to
-    write `http://` manually. A message will appear, warning you about the risks
-    of using this type of connections. In case you have no other choice, choose the
-    **Use HTTP** option.
-
-### Logging in
-
-After connecting to the server, you'll be able to log in either with an email
-address and a password, or using your Google account.
-
-* If you decide to log in with an email/password combination, enter your email
-address in the **Email** field and your password in the **Password** field,
-then press **Log in**.
-
-    ![Login form](/static/images/help/android-log-in.png)
-
-* If you prefer to log in with your Google account, press the **Log in with Google** button.
-
-    ![Google button](/static/images/help/android-google-login-button.png)
-
-    You will be asked to choose which one do you want to use from those you have
-    configured in your device.
-
-### Logging in (development servers)
-
-The Android application supports connecting to development servers as well. To
-do so, choose the **Dev backend testing server** option from the
-**Authentication Options** menu, and select the account you want to use.
-
-### Logging out
-
-You only need to log out when you want to switch to another account or server.
-To do so, tap the overflow ( <i class="icon-vector-ellipsis-vertical"></i> )
-icon in the top right corner of the screen, and choose **Log out**.
-
-## Using the app
-### Sending a stream message
-
-1. Press the pencil button at the right bottom side of the screen if the
-   compose box isn't already there.
-2. Make sure you are in **stream message** mode. You should see a person
-   (![Person](/static/images/help/android-person-icon.png)) icon at the
-   right-hand side of the composing box.
-   If it isn't there, tap the megaphone
-   (![Megaphone](/static/images/help/android-megaphone-icon.png)) icon.
-3. Input the name of the stream where you want to send your message in the
-   **Stream** field. Autocompletion suggestions will appear as you type the
-   stream's name.
-4. Enter the topic of your message in **Topic**.
-5. Write your message in the field labeled **Tap on a message to compose reply**.
-6. Click the send (![send](/static/images/help/android-paperplane-icon.png))
-icon to send your message.
-
-### Sending a private message
-
-1. Press the pencil button at the right bottom side of the screen if the
-   compose box isn't already there.
-2. Make sure you are in **private message** mode. You should see a megaphone
-(![Megaphone](/static/images/help/android-megaphone-icon.png)) icon at the
-right-hand side of the compose box. If it isn't there, tap the person
-(![Person](/static/images/help/android-person-icon.png)) icon.
-3. Enter the email address of the person you want to chat with in the **Person**
-   field. Autocomplete suggestions will appear as you type the email address.
-4. Write your message in the field labeled **Tap on a message to compose reply**.
-5. Click the send (![send](/static/images/help/android-paperplane-icon.png))
-icon to send your message.
-
-### Replying to a message
-
-1. Tap the message you want to reply to in the message list.
-2. The **Stream** and **Topic** fields will automatically fill.
-3. Write your message in the field labeled **Tap on a message to compose reply**.
-4. Click the send (![send](/static/images/help/android-paperplane-icon.png))
-icon to send your message.
-
-### Narrowing to a stream
-
-There are multiple ways of narrowing to a stream in Zulip's Android app.
-
-By swiping to the right from the border of the screen or clicking the menu (<i
-class="icon-vector-reorder"></i>) icon, you'll be able to see a list of the
-streams you're subscribed to. You can tap one of them to narrow to that stream.
-
-!!! tip ""
-    You can also click on the stream name of a message to automatically narrow
-    your message list to only show messages from the pressed stream.
-
-### Narrowing to a topic
-
-You can narrow your message list to a specific topic by tapping the name of the
-topic over a message.
-
-### Searching for messages
-
-You can search your organization for specific messages by using [search operators](/help/search-for-messages).
-
-1. Tap the search (<i class="icon-vector-search"></i>)
-icon at the top of the screen.
-2. Enter the [search operators](/help/search-for-messages#search-operators)
-that you want to use to narrow your messages.
-3. Press the **Enter** key in your keyboard to begin your search.
-
-### Filtering messages
-
-You can filter the messages in your message list.
-
-1. Press the filter (![Filter](/static/images/help/android-filter-icon.png))
-icon on the top right side of the screen.
-2. Select the filtering criteria from the dropdown that appears.
-3. The message list will refresh to show only the filtered messages.
-
-### Manually refreshing the message list
-
-The messages will appear automatically as they are sent. However, you can
-manually refresh them by:
-
-* scrolling to the bottom of the message list
-* clicking the overflow (
-<i class="icon-vector-ellipsis-vertical"></i> ) icon in the top right corner
-and choosing the **Refresh** option from the dropdown that appears.
-
-### Day/Night Themes
-
-Zulip's Android app offers two different themes: one lighter (day theme), and
-one with dark colors (night theme) that makes reading more comfortable when
-there isn't much light.
-
-To switch between the two themes, click the overflow ( <i
-class="icon-vector-ellipsis-vertical"></i> ) icon at the top right corner of the
-screen and choosing the **Switch Day/Night Theme** option from the dropdown that
-appears.

templates/zerver/help/zulip-on-windows.md

@@ -1,28 +0,0 @@
-# Using Zulip on Windows
-
-Zulip has a Windows client, compatible with Windows versions 7, 8 and 10; it is identical in
-functionality to the Zulip web application. The client
-can be download through the [Zulip website](https://zulip.org/).
-
-The client is regularly updated and is a wrapper of the web application, but with enhanced
-notifications and can run in the background. The current version does not contain
-any significant features additional to those in the web application.
-
-!!! warn ""
-    **Note:** Since Zulip is no longer running on a browser, many external keyboard shortcuts
-    endemic to a browser will no longer work, for example, ALT-LEFT to go back to the previous page.
-
-## Connecting to a server
-
-When you open the Zulip client for the first time, you will come across a screen
-asking for your organizations's server address on Zulip. Enter your organization's
-address and press the **Connect** button.
-
-!!! warn ""
-    There's no need to add `https://` in the case that your server is running a secure
-    HTTP (HTTPS) protocol.
-
-    However, if your server uses an insecure HTTP connection, you'll have to
-    write `http://` manually. A message will appear, warning you about the risks
-    of using this type of connections. In case you have no other choice, choose the
-    **Use HTTP** option.