[gnome-shell] workspace: Remove unused properties of WindowClone

[Florian Müllner <fmuellner src gnome org>]

commit 5c3f4f5f8b64f7d0f80aa9852b94a96c3737fcbe
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Mon Aug 19 11:54:42 2019 +0200

    workspace: Remove unused properties of WindowClone
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/683

 js/ui/workspace.js | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/js/ui/workspace.js b/js/ui/workspace.js
index b80aa6c9e7..faf4f8aa74 100644
--- a/js/ui/workspace.js
+++ b/js/ui/workspace.js
@@ -412,8 +412,6 @@ var WindowClone = GObject.registerClass({
 
     _onDragBegin(_draggable, _time) {
         this._dragSlot = this._slot;
-        [this.dragOrigX, this.dragOrigY] = this.get_position();
-        this.dragOrigScale = this.scale_x;
         this.inDrag = true;
         this.emit('drag-begin');
     }