Fix: Validation does not break RCV (coscine/issues#1129)

(coscine/issues#1129)

src/components/WrapperInput.vue

@@ -239,10 +239,6 @@ export default Vue.extend({
         ]);
       }
     }
-    // if formdata is still empty intialize it with an empty value
-    if (!this.formDataExists()) {
-      this.$set(this.formData, this.nodeName, [{ value: '' }]);
-    }
 
     this.valueRequired =
       this.checkField(