Merge pull request #53342 from bscott-rh/OCPBUGS-4332

OCPBUGS#4332 Service Usage API is required, not optional

Author: jldohmann

modules/installation-gcp-enabling-api-services.adoc

@@ -52,6 +52,9 @@ in the GCP documentation.
 |Identity and Access Management (IAM) API
 |`iam.googleapis.com`
 
+|Service Usage API
+|`serviceusage.googleapis.com`
+
 |===
 +
 .Optional API services
@@ -70,9 +73,6 @@ endif::template[]
 |Service Management API
 |`servicemanagement.googleapis.com`
 
-|Service Usage API
-|`serviceusage.googleapis.com`
-
 |Google Cloud Storage JSON API
 |`storage-api.googleapis.com`