deleted not needed xml stuff

src/main/res/menu/contactlist_menu.xml

@@ -20,9 +20,7 @@
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  -->
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
-      xmlns:app="http://schemas.android.com/apk/res-auto"
-      xmlns:tools="http://schemas.android.com/tools"
-      tools:ignore="AppCompatResource">
+      xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item
         android:id="@+id/action_select_all"