Revert "Make subnet name unique per test run"
Revert "Make subnet name unique per test run"

This reverts commit 4859cb0f4775da765a5cfb4d2e0a72dc491adb83.

terraform-google-modules/terraform-google-project-factory,terraform-google-modules/terraform-google-project-factory,terraform-google-modules/terraform-google-project-factory,terraform-google-modules/terraform-google-project-factory