Removed cookie code that is not in use.

Thanks to xet7 !

client/lib/utils.js

@@ -195,8 +195,6 @@ Utils = {
     const currentUser = Meteor.user();
     if (currentUser) {
       return (currentUser.profile || {}).showDesktopDragHandles;
-    } else if (cookies.has('showDesktopDragHandles')) {
-      return true;
     } else {
       return false;
     }