[sushi] mainWindow: remove unreachable code

[Cosimo Cecchi <cosimoc src gnome org>]

commit 9fe7b7e056a79e36a5266425e45a6e1f94ea0ad3
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Apr 3 12:30:10 2017 -0700

    mainWindow: remove unreachable code
    
    this._quitActor was removed a long time ago.

 src/js/ui/mainWindow.js | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/js/ui/mainWindow.js b/src/js/ui/mainWindow.js
index ac09d16..dbb6573 100644
--- a/src/js/ui/mainWindow.js
+++ b/src/js/ui/mainWindow.js
@@ -183,7 +183,6 @@ var MainWindow = new Lang.Class({
         let win_coords = event.get_coords();
 
         if ((event.get_source() == this._toolbarActor) ||
-            (event.get_source() == this._quitActor) ||
             (event.get_source() == this._texture &&
              !this._renderer.moveOnClick)) {