remove unused code

Author: locks

app/components/rl-dropdown.js

@@ -17,11 +17,8 @@ export default Component.extend({
 
   closeOnChildClick: false,
 
-  propagateClicks: true,
-
   click(event) {
     let closeOnChildClick = this.closeOnChildClick;
-    let propagateClicks = this.propagateClicks;
     let $target = event.target;
     let $c = this.element;
 
@@ -32,9 +29,5 @@ export default Component.extend({
         this.set('isExpanded', false);
       }
     }
-
-    if (propagateClicks === false || propagateClicks === 'false') {
-      event.stopPropagation();
-    }
   },
 });