fix invalid build_config.worker_pool in cloudrunv2 example and test (#14291) (#1027)

[upstream:25f18d7fb9682342a2771d5eb50bcb4407067a25]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

cloudrunv2_service_function/main.tf

@@ -16,7 +16,6 @@ resource "google_cloud_run_v2_service" "default" {
     image_uri = "us-docker.pkg.dev/cloudrun/container/hello"
     base_image = "us-central1-docker.pkg.dev/serverless-runtimes/google-22-full/runtimes/nodejs22"
     enable_automatic_updates = true
-    worker_pool = "worker-pool"
     environment_variables = {
       FOO_KEY = "FOO_VALUE"
       BAR_KEY = "BAR_VALUE"