Move generic k8s services out of GCP namespace
These services aren't specific to GCP, and will be used for AWS as part of https://gitlab.com/gitlab-org/gitlab-ce/issues/46686
This instance will be upgraded to Heptapod 0.31.0 (final) on 2022-05-24 at 14:00 UTC+2 (a few minutes of down time)
These services aren't specific to GCP, and will be used for AWS as part of https://gitlab.com/gitlab-org/gitlab-ce/issues/46686