chore: drop unused files

dzgui/const/update.py

@@ -1,15 +0,0 @@
-"""
-This file is intended to be patched by package maintainers
-repackaging DZGUI for use in different distributions.
-
-If DZGUI is going to be installed globally via a package manager
-or other means and will reside in an immutable location, or needs to be
-explicitly bound to a certain version, set the flag below to False.
-
-This will disable the following:
-
-- Version update checks at startup
-- Ability to toggle between Stable/Testing branches in the Options menu
-"""
-
-ALLOW_UPDATES = True