removed fixed network

src/app/pages/explorer-page/explorer-page.component.ts

@@ -114,7 +114,6 @@ export class ExplorerPageComponent implements OnInit, AfterViewInit {
     if (network == null) {
       return;
     }
-    network = '{"nodes":[{"id":"PTEN"}]}';
     console.log(network)
     console.log(typeof network +": " +JSON.stringify(network))
     this.networkJSON = JSON.stringify(typeof network === 'string' ? JSON5.parse(network) : network);