Comment out add button in AddressbookActivity

src/net/i2p/android/router/activity/AddressbookActivity.java

@@ -84,8 +84,8 @@ public class AddressbookActivity extends ActionBarActivity {
     public boolean onOptionsItemSelected(MenuItem item) {
         // Handle presses on the action bar items
         switch (item.getItemId()) {
-            case R.id.action_add_to_addressbook:
-                return true;
+            //case R.id.action_add_to_addressbook:
+            //    return true;
             case R.id.action_addressbook_settings:
                 Intent intent = new Intent(this, AddressbookSettingsActivity.class);
                 startActivity(intent);