removed trackjs

Author: Edward Marzal

ui/src/hooks/useJsErrorTracker.tsx

@@ -1,13 +1,10 @@
-import { TrackJS } from 'trackjs';
 import { datadogRum } from '@datadog/browser-rum';
 
 const useJsErrorTracker = () => {
   const addMetadata = (key: string, value: string) => {
-    datadogRum.setGlobalContextProperty(key, value);
-    TrackJS.addMetadata(key, value);
+    datadogRum.setGlobalContextProperty(key, value);   
   };
   const trackError = (error: any) => {
-    TrackJS.track(error);
     //error tracking by dataDog RUM
     datadogRum.addError(error);
   };