remove blazor samples from toc.yml (dotnet#16194)

Author: Rick-Anderson

aspnetcore/toc.yml

@@ -326,8 +326,6 @@
               uid: host-and-deploy/blazor/server
             - name: Configure the Linker
               uid: host-and-deploy/blazor/configure-linker
-        - name: Samples
-          href: https://github.com/aspnet/samples/tree/master/samples/aspnetcore/blazor
     - name: Client-side development
       items:
         - name: Single Page Apps