revert back to Settings as title

It's now very obvious if you're on the new screen

app/src/main/AndroidManifest.xml

@@ -337,7 +337,7 @@
         <activity
             android:name="com.duckduckgo.app.settings.NewSettingsActivity"
             android:exported="true"
-            android:label="New Settings"
+            android:label="@string/settingsActivityTitle"
             android:parentActivityName=".BrowserActivity">
             <intent-filter>
                 <action android:name="android.service.quicksettings.action.QS_TILE_PREFERENCES" />