fix: remmove cloudsql incompatible migrations

mentioned in merge request !2332 (merged)

mentioned in commit 8d1cd151

mentioned in commit d00e1684

mentioned in commit c7d297b3

mentioned in commit 89261ccc

mentioned in issue #1611 (closed)

mentioned in merge request gitlab-org/charts/gitlab!4319 (merged)

mentioned in merge request gitlab-org/build/CNG!2418 (merged)

mentioned in merge request omnibus-gitlab!8466 (merged)

mentioned in merge request gitlab-org/charts/gitlab!4326 (closed)