message: Do not dump MLIR module on verifier failure.
  The failure message is already consumed through the StatusScopedDiagnosticHandler. Dumping the module is unnecessary and pollutes the log for large graphs.
diff: @@ -41,8 +41,7 @@ static StatusOr<mlir::OwningModuleRef> Import(
  ConvertGraphToMlir(graph, debug_info, *options.flib_def, specs, context));
  mlir::StatusScopedDiagnosticHandler status_handler(context);
  if (failed(mlir::verify(*module))) {
  - // TODO(jpienaar): Remove, just simple verification that this works.
  - module->dump();
  + if (VLOG_IS_ON(1)) module->dump();
  return status_handler.ConsumeStatus();
  }
  return module;
  