[gnome-shell-extensions] window-list: Don't override existing signal

[Florian Müllner <fmuellner src gnome org>]

commit 974305417496a724423a4c54a2d869aa39815591
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Aug 10 00:02:33 2019 +0200

    window-list: Don't override existing signal
    
    Since commit b6a6de9bb5 turned WindowPicker into a ClutterActor
    subclass, we already have a 'scroll-event' signal and don't need
    to define our own.
    
    https://gitlab.gnome.org/GNOME/gnome-shell-extensions/merge_requests/86

 extensions/window-list/windowPicker.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/extensions/window-list/windowPicker.js b/extensions/window-list/windowPicker.js
index e27bbb5..99da356 100644
--- a/extensions/window-list/windowPicker.js
+++ b/extensions/window-list/windowPicker.js
@@ -64,8 +64,7 @@ let MyWorkspacesDisplay = class extends WorkspacesDisplay {
 var WindowPicker = GObject.registerClass({
     GTypeName: 'WindowListWindowPicker',
     Signals: {
-        'open-state-changed': { param_types: [GObject.TYPE_BOOLEAN] },
-        'scroll-event': { param_types: [Clutter.Event.$gtype] }
+        'open-state-changed': { param_types: [GObject.TYPE_BOOLEAN] }
     }
 }, class extends Clutter.Actor {
     _init() {