Override matrix-apps to be disabled

- ignores localStorage setting
 - hides feature from labs section in user settings

src/UserSettingsStore.js

@@ -29,6 +29,9 @@ export default {
             name: "-",
             id: 'matrix_apps',
             default: false,
+
+            // XXX: Always use default, ignore localStorage and remove from labs
+            override: true,
         },
     ],