Remove dead code

src/roommanager.cpp

@@ -105,10 +105,6 @@ void RoomManager::enterRoom(NeoChatRoom *room)
     NeoChatConfig::self()->save();
 }
 
-void RoomManager::getBack()
-{
-}
-
 void RoomManager::openWindow(NeoChatRoom *room)
 {
     // forward the call to QML

src/roommanager.h

@@ -38,9 +38,6 @@ public:
     /// with the given room.
     Q_INVOKABLE void enterRoom(NeoChatRoom *room);
 
-    /// Force refresh the view to show the last the opened room.
-    Q_INVOKABLE void getBack();
-
     Q_INVOKABLE void openWindow(NeoChatRoom *room);
 
     /// Leave the room and close it if it is open.