remove unused variable

www/front_src/src/components/forms/remoteServer/RemoteServerFormStepOne.js

@@ -56,7 +56,7 @@ class RemoteServerFormStepOne extends Component {
   };
 
   render() {
-    const { error, handleSubmit, onSubmit, waitList, defaultCentralIp, t } = this.props;
+    const { error, handleSubmit, onSubmit, waitList, t } = this.props;
     const { inputTypeManual } = this.state;
     return (
       <div className={styles['form-wrapper']}>