Remove duplicated functions

assets/javascripts/wizard/components/validator.js.es6

@@ -11,7 +11,6 @@ export default Component.extend({
   invalidMessageKey: null,
   isValid: null,
   isInvalid: equal("isValid", false),
-  layoutName: "wizard/templates/components/validator",
 
   init() {
     this._super(...arguments);

assets/javascripts/wizard/components/wizard-step.js.es6

@@ -169,8 +169,6 @@ export default Component.extend({
       .finally(() => this.set("saving", false));
   },
 
-  keyPress() {},
-
   actions: {
     quit() {
       this.get("wizard").skip();