Removed the on disconnected callback for elements since the only subscriber is the template and the template is already deconstructed by the element so there is no need to call it twice via the callback.

ignite-template.js

@@ -667,12 +667,6 @@ class IgniteTemplate {
                 this.element.template = this;
             }
 
-            //If the element has a onDisconnected function, attach to it
-            //(This way if a custom element is removed we can deconstruct and cleanup)
-            if (this.element.onDisconnected !== undefined) {
-                this.element.onDisconnected = () => this.deconstruct();
-            }
-
             //Invoke any refs we have and pass back the element reference.
             this._refs.forEach((ref) => ref(this.element));
         }