chore: drop unused imports

dzgui/managers/contextmenu.py

@@ -1,4 +1,3 @@
-import gi
 import logging
 from typing import TYPE_CHECKING
 
@@ -14,10 +13,6 @@ from dzgui.views.trees.tree_servers import ServerTreeView
 from dzgui.views.trees.tree_server_mods import ServerModTreeView
 
 
-gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, Gdk, GLib, GObject  # noqa E402
-
-
 logger = logging.getLogger(APP_NAME)
 
 if TYPE_CHECKING: