[gnome-shell] Remove some "let global ..."s that snuck back in as part of old patches

[Dan Winship <danw src gnome org>]

commit 678a88dbdb077715651f0221c535b2eb677db531
Author: Dan Winship <danw gnome org>
Date:   Wed Sep 9 09:41:26 2009 -0400

    Remove some "let global ..."s that snuck back in as part of old patches

 js/ui/overview.js   |    3 ---
 js/ui/workspaces.js |    3 ---
 2 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/js/ui/overview.js b/js/ui/overview.js
index 962e239..0d66800 100644
--- a/js/ui/overview.js
+++ b/js/ui/overview.js
@@ -438,8 +438,6 @@ Overview.prototype = {
     },
 
     _addNewWorkspace: function() {
-        let global = Shell.Global.get();
-
         global.screen.append_new_workspace(false, global.screen.get_display().get_current_time());
     },
 
@@ -462,7 +460,6 @@ AddWorkspaceButton.prototype = {
                                            height: buttonSize,
                                            reactive: true });
         this._acceptDropCallback = acceptDropCallback;
-        let global = Shell.Global.get();
         this.actor._delegate = this;
         this.actor.set_from_file(global.imagedir + 'add-workspace.svg');
     },
diff --git a/js/ui/workspaces.js b/js/ui/workspaces.js
index 5a3673b..07a7fc7 100644
--- a/js/ui/workspaces.js
+++ b/js/ui/workspaces.js
@@ -206,8 +206,6 @@ WindowClone.prototype = {
     },
 
     _zoomUpdate : function () {
-        let global = Shell.Global.get();
-
         [this.actor.x, this.actor.y] = this._zoomGlobalOrig.interpPosition(this._zoomTarget, this._zoomStep / 100);
         [this.actor.scale_x, this.actor.scale_y] = this._zoomGlobalOrig.interpScale(this._zoomTarget, this._zoomStep / 100);
 
@@ -218,7 +216,6 @@ WindowClone.prototype = {
     },
 
     _zoomStart : function () {
-        let global = Shell.Global.get();
         this._zoomOverlay = new Clutter.Rectangle({ reactive: true,
                                                     color: LIGHTBOX_COLOR,
                                                     border_width: 0,