revert gcp related changes as they are not necessary

Author: lizk886

scripts/gcp-oidc/README.md

@@ -197,14 +197,14 @@ You will be provided a new operator API token which should be stored in Secret M
 `~tee-env-DEPLOYMENT_ENVIRONMENT=prod~`.
 
 It is recommended that you also specify the machine type in the gcloud script. Currently, it is recommended to run the
-UID2 operator on a machine type of n2d-standard-8 for production. (default to n2d-standard-2)
+UID2 operator on a machine type of n2d-standard-16. (default to n2d-standard-2)
 
 An example of the script is given below:
 
 ```
 $ gcloud compute instances create {INSTANCE_NAME} \
   --zone {ZONE} \
-  --machine-type n2d-standard-8 \
+  --machine-type n2d-standard-16 \
   --confidential-compute \
   --shielded-secure-boot \
   --maintenance-policy Terminate \
@@ -215,7 +215,7 @@ $ gcloud compute instances create {INSTANCE_NAME} \
   --metadata ^~^tee-image-reference={OPERATOR_IMAGE}~tee-restart-policy=Never~tee-container-log-redirect=true~tee-env-DEPLOYMENT_ENVIRONMENT=prod~tee-env-API_TOKEN_SECRET_NAME={OPERATOR_KEY_SECRET_FULL_NAME}
 ```
 
-Note that compared to the `gcloud` command used in the prior section, parameter `--machine-type n2d-standard-8` is set to ensure production deployment of UID2 Operator runs on the recommended machine type for production.
+Note that compared to the `gcloud` command used in the prior section, parameter `--machine-type n2d-standard-16` is set to ensure production deployment of UID2 Operator runs on the recommended machine type for production.
 
 ## Upgrading
 

scripts/gcp-oidc/terraform/README.md

@@ -68,7 +68,7 @@ terraform destroy
 | service_account_name         | `string`       | n/a                     |   yes    | The name of the service account that you want to use for your UID2 Operator instance in GCP Confidential Space.                                                                                                                                                                                                                       |
 | uid_operator_image           | `string`       | n/a                     |   yes    | The Docker image URL for the UID2 Private Operator for GCP, used in configuration, which you received as part of UID2 Operator Account Setup. For example: `us-docker.pkg.dev/uid2-prod-project/iabtechlab/uid2-operator@sha256:{IMAGE_SHA}`                                                                                          |
 | uid_operator_key             | `string`       | n/a                     |   yes    | The UID2 operator key, which you received as part of UID2 Operator Account Setup. <br> Note: only required during first time provision. You could leave it as empty string later if you don't want to update secret value.                                                                                                            |
-| uid_deployment_env           | `string`       | n/a                     |   yes    | Valid values: `integ` for integration environment, `prod` for production environment. <br> Machine type is determined by the deployment environment: `integ` uses `n2d-standard-2` and prod uses `n2d-standard-8`.                                                                                                                   |
+| uid_deployment_env           | `string`       | n/a                     |   yes    | Valid values: `integ` for integration environment, `prod` for production environment. <br> Machine type is determined by the deployment environment: `integ` uses `n2d-standard-2` and prod uses `n2d-standard-16`.                                                                                                                   |
 | uid_operator_key_secret_name | `string`       | `"secret-operator-key"` |    no    | The name that you specify for your operator key secret. The Terraform template creates a secret in the GCP Secret Manager to hold the `uid_operator_key` value. You can define the name; for example, `uid2-operator-operator-key-secret-integ`.                                                                                      |
 | region                       | `string`       | `"us-east1"`            |    no    | The region that you want to deploy to. For a list of valid regions, see [Available regions and zones](https://cloud.google.com/compute/docs/regions-zones#available) in the Google Cloud documentation. <br>NOTE: The UID2 Private Operator implementation for GCP Confidential Space is not supported in these areas: Europe, China. |
 | network_name                 | `string`       | `"uid-operator"`        |    no    | The VPC resource name (also used for rules/ instance tags).                                                                                                                                                                                                                                                                           |

scripts/gcp-oidc/terraform/main.tf

@@ -94,7 +94,7 @@ module "secret-manager" {
 resource "google_compute_instance_template" "uid_operator" {
   depends_on   = [module.project_services]
   name_prefix  = "uid-operator-cs-template-"
-  machine_type = var.uid_deployment_env == "prod" ? "n2d-standard-8" : "n2d-standard-2"
+  machine_type = var.uid_deployment_env == "prod" ? "n2d-standard-16" : "n2d-standard-2"
 
   tags = [var.network_name]