remove server start

Author: danieljbruce

src/util/mock-servers/mock-server.ts

@@ -37,7 +37,6 @@ export class MockServer {
       `localhost:${this.port}`,
       grpc.ServerCredentials.createInsecure(),
       () => {
-        server.start();
         callback ? callback(portString) : undefined;
       }
     );