Use matrix-analytics-events generated stubs (locally for now).

Track screens, removing any that aren't part of the schema.

Riot/Modules/Settings/Security/SecurityViewController.m

@@ -250,9 +250,6 @@ TableViewSectionsDelegate>
 {
     [super viewWillAppear:animated];
 
-    // Screen tracking
-    [Analytics.shared trackScreen:@"Security"];
-
     // Release the potential pushed view controller
     [self releasePushedViewController];