Remove obsolete troubleshooting guide

None of these issues are current.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

development.md

@@ -89,11 +89,6 @@ you find in the [issue tracker](https://github.com/zulip/zulip-desktop/issues).
 
 You can read more about making contributions in our [Contributing Guide](./CONTRIBUTING.md).
 
-## Troubleshooting
-
-If you have any problems running the app, see the [most common
-issues](./troubleshooting.md).
-
 ## Making a release
 
 To package the app into an installer:

docs/Windows.md

@@ -50,9 +50,3 @@ npm run pack
 npm run dist
 ```
 It will start the packaging process. The ready for distribution file (e.g. dmg, windows installer, deb package) will be outputted to the `dist` directory.
-
-# Troubleshooting
-If you have any problems running the app please see the [most common issues](./troubleshooting.md).
-
-
-

troubleshooting.md

@@ -1,15 +0,0 @@
-# Troubleshooting
-
-* App icon will only show in the release version. The dev version will use the Electron icon
-* If you see issue, try deleting `node_modules` and `npm install`
-* Electron is more or less Chrome, you can get developer tools using `CTRL+SHIFT+I` (Windows/Linux) or `CMD+OPTION+I` (Mac)
-
-### Error : ChecksumMismatchError
-- Try deleting the `node_modules` directory and reinstalling dependencies using `npm install`
-
-### Error : Module version mismatch. Expected 50, got 51
-- Make sure you have installed [node-gyp](https://github.com/nodejs/node-gyp#installation) dependencies properly
-
-### Error: Desktop Notifications not working
-- Make sure the **Show Desktop Notifications** setting option is set to be true
-- Check your OS notifications center settings