Remove manual menu bar mangling on macos

This is causing probably more issues nowadays than it fixes. Qt should
be adding those menus for us now, so let's remove it and see, what
breaks!

src/main.cpp

@@ -37,7 +37,6 @@
 #include "config/nheko.h"
 
 #if defined(Q_OS_MACOS)
-#include "emoji/MacHelper.h"
 #include "notifications/Manager.h"
 #endif
 
@@ -466,10 +465,6 @@ main(int argc, char *argv[])
       QStringLiteral("matrix"), ChatPage::instance(), "handleMatrixUri");
 
 #if defined(Q_OS_MACOS)
-    // Temporary solution for the emoji picker until
-    // nheko has a proper menu bar with more functionality.
-    MacHelper::initializeMenus();
-
     // Need to set up notification delegate so users can respond to messages from within the
     // notification itself.
     NotificationsManager::attachToMacNotifCenter();