ui clean up from template

app/src/main/res/menu/activity_main_drawer.xml

@@ -8,13 +8,5 @@
             android:id="@+id/nav_home"
             android:icon="@drawable/ic_menu_camera"
             android:title="@string/menu_home" />
-        <item
-            android:id="@+id/nav_gallery"
-            android:icon="@drawable/ic_menu_gallery"
-            android:title="@string/menu_gallery" />
-        <item
-            android:id="@+id/nav_slideshow"
-            android:icon="@drawable/ic_menu_slideshow"
-            android:title="@string/menu_slideshow" />
     </group>
 </menu>

app/src/main/res/menu/main.xml

@@ -1,9 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
-    <item
-        android:id="@+id/action_settings"
-        android:orderInCategory="100"
-        android:title="@string/action_settings"
-        app:showAsAction="never" />
+    <!-- Empty menu - no 3-dot menu items -->
 </menu>