update C# codegen and regenerate
diff --git a/src/compiler/csharp_generator.cc b/src/compiler/csharp_generator.cc
index 484fa3c..7bf0548 100644
--- a/src/compiler/csharp_generator.cc
+++ b/src/compiler/csharp_generator.cc
@@ -559,9 +559,7 @@
   out->Print("{\n");
   out->Indent();
 
-  out->Print(
-      "return ServerServiceDefinition.CreateBuilder($servicenamefield$)\n",
-      "servicenamefield", GetServiceNameFieldName());
+  out->Print("return ServerServiceDefinition.CreateBuilder()\n");
   out->Indent();
   out->Indent();
   for (int i = 0; i < service->method_count(); i++) {