Remove onload event.

src/app/_services/token.service.ts

@@ -12,7 +12,6 @@ import { BehaviorSubject, Observable, Subject } from 'rxjs';
 export class TokenService {
   registry: CICRegistry;
   tokenRegistry: TokenRegistry;
-  onload: (status: boolean) => void;
   tokens: Array<Token> = [];
   private tokensList: BehaviorSubject<Array<Token>> = new BehaviorSubject<Array<Token>>(
     this.tokens
@@ -29,7 +28,6 @@ export class TokenService {
         await this.registry.getContractAddressByName('TokenRegistry')
       );
       this.load.next(true);
-      this.onload(this.tokenRegistry !== undefined);
     };
   }