Update toc.yml (#12606)

aspnetcore/toc.yml

@@ -92,7 +92,7 @@
     - name: Remote Procedure Call apps
       items:
         - name: Get started with gRPC service in ASP.NET Core
-          uid: tutorials/grpc/grpc-client 
+          uid: tutorials/grpc/grpc-start
     - name: Data access
       items:
         - name: EF Core with Razor Pages
@@ -529,9 +529,7 @@
     - name: Migrating gRPC services from C Core to ASP.NET Core
       uid: grpc/migration
     - name: Comparing gRPC services with HTTP APIs
-      uid: grpc/comparison    
-    - name: Create a gRPC client and server
-      uid: tutorials/grpc/grpc-client
+      uid: grpc/comparison
 - name: Test, debug, and troubleshoot
   items:
     - name: Unit testing