fix error Service 'alpha-documentai.googleapis.com' is not supported by VPC Service Controls

Author: daniel-cit

3-networks-hub-and-spoke/envs/shared/net-hubs.tf

@@ -30,7 +30,6 @@ locals {
     "adsdatahub.googleapis.com",
     "aiplatform.googleapis.com",
     "alloydb.googleapis.com",
-    "alpha-documentai.googleapis.com",
     "analyticshub.googleapis.com",
     "apigee.googleapis.com",
     "apigeeconnect.googleapis.com",

3-networks-hub-and-spoke/modules/base_env/main.tf

@@ -26,7 +26,6 @@ locals {
     "adsdatahub.googleapis.com",
     "aiplatform.googleapis.com",
     "alloydb.googleapis.com",
-    "alpha-documentai.googleapis.com",
     "analyticshub.googleapis.com",
     "apigee.googleapis.com",
     "apigeeconnect.googleapis.com",