Remove the SSO-only realm integration.

It's messy code, only one customer ever used it, and it's not in use
today.

(imported from commit af3f512ac6af74af66c588c7d40d699e98514d0a)

static/js/feature_flags.js

@@ -19,7 +19,6 @@ exports.disable_message_editing = _.contains(['mit.edu'], page_params.domain);
 exports.is_og_zulip_user = _.contains(og_zuliper_emails, page_params.email);
 
 exports.left_side_userlist = _.contains(['customer7.invalid'], page_params.domain);
-exports.enable_new_user_app_alerts = ! _.contains(['employees.customer16.invalid'], page_params.domain);
 
 // Experimental modification to support much wider message views.
 exports.full_width = false;

static/js/tutorial.js

@@ -350,14 +350,12 @@ function finale() {
 
     var alert_contents;
 
-    if (page_params.enable_new_user_app_alerts) {
     if (page_params.prompt_for_invites) {
         alert_contents = "<i class='icon-vector-heart alert-icon'></i>It's lonely in here! <a href='#invite-user' data-toggle='modal'>Invite some coworkers</a>.";
     } else {
         alert_contents = "<i class='icon-vector-desktop alert-icon'></i>What's better than " + page_params.product_name + " in your browser? The <a href='/apps' target='_blank'>"+ page_params.product_name + " desktop app</a>!";
     }
     show_app_alert(alert_contents);
-    }
 
     // We start you in a narrow so it's not overwhelming.
     if (stream_data.in_home_view(page_params.notifications_stream)) {

zerver/views/__init__.py

@@ -269,12 +269,6 @@ def accounts_register(request):
             form = RegistrationForm(
                     initial={'full_name': hesiod_name if "@" not in hesiod_name else ""})
             name_validated = True
-        elif domain == 'employees.customer16.invalid':
-            full_name = email.rpartition('@')[0]
-            form = RegistrationForm(
-                    initial={'full_name': full_name})
-            name_validated = True
-            request.session['authenticated_full_name'] = full_name
         elif settings.POPULATE_PROFILE_VIA_LDAP:
             for backend in get_backends():
                 if isinstance(backend, LDAPBackend):

zproject/backends.py

@@ -14,9 +14,7 @@ from oauth2client.crypt import AppIdentityError
 
 def password_auth_enabled(realm):
     if realm is not None:
-        if realm.domain == 'employees.customer16.invalid':
-            return False
-        elif realm.domain == 'zulip.com' and settings.PRODUCTION:
+        if realm.domain == 'zulip.com' and settings.PRODUCTION:
             # the dropbox realm is SSO only, but the unit tests still need to be
             # able to login
             return False