f0bff952be
The setting is already bound to the switch via the corresponding action,
no need to also set up a binding.
In fact, the second binding is actively harmful, as it keeps the
connection alive until dispose, so the setting is reset on
garbage collection.
Closes https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/issues/511
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/merge_requests/341>
(cherry picked from commit 0162644041)