DEV: upgrades from Ember 2.13 to Ember 3.5.1 (#6808)

Co-Authored-By: Bianca Nenciu <nbianca@users.noreply.github.com>
Co-Authored-By: David Taylor <david@taylorhq.com>

app/assets/javascripts/admin/components/save-controls.js.es6

@@ -8,11 +8,5 @@ export default Ember.Component.extend({
   @computed("model.isSaving")
   savingText(saving) {
     return saving ? "saving" : "save";
-  },
-
-  actions: {
-    saveChanges() {
-      this.sendAction();
-    }
   }
 });