chore: drop unused Gtk imports

dzgui/controllers/emitter.py

@@ -3,8 +3,8 @@ from typing import TYPE_CHECKING
 import gi
 
 gi.require_version("Gtk", "3.0")
-from gi.repository.Gtk import ListStore  # noqa E402
-from gi.repository import Gdk, GObject  # noqa E402
+from gi.repository.Gtk import ListStore
+from gi.repository import GObject
 
 if TYPE_CHECKING:
     from dzgui.const.enum import NotebookPage, ServerTab