Remove selection listener

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/controllers/ChatController.java

@@ -93,7 +93,7 @@ import retrofit2.Response;
 
 @AutoInjector(NextcloudTalkApplication.class)
 public class ChatController extends BaseController implements MessagesListAdapter.OnLoadMoreListener,
-        MessagesListAdapter.Formatter<Date>, MessagesListAdapter.SelectionListener {
+        MessagesListAdapter.Formatter<Date> {
     private static final String TAG = "ChatController";
 
     @Inject
@@ -174,7 +174,6 @@ public class ChatController extends BaseController implements MessagesListAdapte
         messagesList.setAdapter(adapter);
         adapter.setLoadMoreListener(this);
         adapter.setDateHeadersFormatter(this::format);
-        //adapter.enableSelectionMode(this);
 
         setupMentionAutocomplete();
 
@@ -511,9 +510,4 @@ public class ChatController extends BaseController implements MessagesListAdapte
 
         return callIntent;
     }
-
-    @Override
-    public void onSelectionChanged(int count) {
-        //globalMenu.findItem(R.id.action_delete).setVisible(count > 0);
-    }
 }