remove extraneous semicolons

mary have mercy

priv/frontend/src/components/App.js

@@ -8,15 +8,15 @@ import { log } from '../util.js'
 import { domain as DOMAIN } from '../config.json'
 
 export default class App extends Component {
-  websocket = null;
+  websocket = null
 
-  reconnectionTime = 1000;
+  reconnectionTime = 1000
 
   state = {
     loading: true,
     error: null,
     metrics: null,
-  };
+  }
 
   async componentDidMount () {
     await this.loadMetrics()