[installer] Remove cloud-sql-global (#16452)

Author: easyCZ

install/installer/cmd/testdata/render/gcp-setup/config.yaml

@@ -18,11 +18,6 @@ database:
     serviceAccount:
       kind: secret
       name: gcp-database
-  cloudSQLGlobal:
-    instance: gcp-global-db-instance
-    serviceAccount:
-      kind: secret
-      name: gcp-global-database
 metadata:
   region: europe-west2
 objectStorage:

install/installer/cmd/testdata/render/gcp-setup/output.golden

@@ -21,5 +21,4 @@ var Objects = common.CompositeRenderFunc(
 			ServicePort:   Port,
 		},
 	}),
-	CloudSQLGlobalObjects,
 )