Remove gpr_set_log_verbosity from grpc_client.cc

PiperOrigin-RevId: 657278427

Author: guanxinq

tensorflow_serving/test_util/grpc_client.cc

@@ -149,13 +149,6 @@ class ServingClient {
 };
 
 int main(int argc, char** argv) {
-  // When gRPC version is updated to the latest version, the build will fail
-  // because gpr_set_log_verbosity will be deleted. Since in the latest
-  // version of gRPC uses absl internally, If you want to set absl severity or
-  // verbosity you need to use absl : --v, --vmodule, --minloglevel,
-  // absl::SetVLogLevel, absl::SetGlobalVLogLevel, and absl::SetMinLogLevel.
-  // You can delete gpr_set_log_verbosity statement when your build fails.
-  gpr_set_log_verbosity(GPR_LOG_SEVERITY_ERROR);
   absl::ParseCommandLine(argc, argv);
 
   if (absl::GetFlag(FLAGS_server_port).empty() ||