Clean up some unnecessary bits

- Remove analytics/crash reporting
- Remove app update check
- Remove F-Droid warning
- Remove Discord references

app/src/main/AndroidManifest.xml

@@ -33,11 +33,6 @@
 
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
 
-    <!-- Remove permission from Firebase dependency -->
-    <uses-permission
-        android:name="com.google.android.gms.permission.AD_ID"
-        tools:node="remove" />
-
     <application
         android:name=".App"
         android:allowBackup="false"
@@ -236,11 +231,6 @@
             android:name="android.webkit.WebView.MetricsOptOut"
             android:value="true" />
 
-        <!-- Disable advertising ID collection for Firebase -->
-        <meta-data
-            android:name="google_analytics_adid_collection_enabled"
-            android:value="false" />
-
     </application>
 
 </manifest>