chore: drop unused files

dzgui/views/dialogs/watcher.py

@@ -1,18 +0,0 @@
-import gi
-gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk  # noqa
-
-class Watcher(Gtk.Dialog):
-    def __init__():
-        super().__init__()
-        pass
-
-    def bump_progress(self):
-        self.set_secondary_text("FOO")
-
-#w = Watcher()
-#thread = threading()
-## compute here
-#GLib.idle_add(self._bump_progress)
-## raise window:
-#Gdk.present_with_time(Gdk.CURRENT_TIME)