Remove enhancedClientAwareness from request context

Author: jerelmiller

docs/source/api/link/apollo-link-client-awareness.mdx

@@ -79,9 +79,6 @@ function MyComponent() {
         name: "My Client",
         version: "my_client_version",
       },
-      enhancedClientAwareness: {
-        transport: "extensions",
-      },
     },
   });