Remove unneeded watch

aleksis/apps/paweljong/frontend/components/event_registration/EventRegistrationForm.vue

@@ -667,8 +667,6 @@ import SecondaryActionButton from "aleksis.core/components/generic/buttons/Secon
       },
     },
     mixins: [eventAdditionalFieldMixin, formRulesMixin],
-    watch: {
-    },
     methods: {
       setStep(step) {
         this.step = step;