[gnome-shell/gbsneto/remove-generic-container: 14/39] switcherList: Remove unused variable

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 55cf4fc4a7bccb7f9599be5b85727592a8dc4378
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Jun 28 18:37:44 2018 -0300

    switcherList: Remove unused variable
    
    The title is self-explanatory, 'primary' was not being used
    anywhere.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/153

 js/ui/switcherPopup.js | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/js/ui/switcherPopup.js b/js/ui/switcherPopup.js
index ad77787cf..e8681443c 100644
--- a/js/ui/switcherPopup.js
+++ b/js/ui/switcherPopup.js
@@ -587,7 +587,6 @@ var SwitcherList = new Lang.Class({
         let children = this._list.get_children();
         let childBox = new Clutter.ActorBox();
 
-        let primary = Main.layoutManager.primaryMonitor;
         let parentRightPadding = this.actor.get_parent().get_theme_node().get_padding(St.Side.RIGHT);
 
         for (let i = 0; i < children.length; i++) {