Revert "Merge branch 'jk/bypass-pdm-gstg-cny' into 'master'"

What does this MR do?

Revert "Merge branch 'jk/bypass-pdm-gstg-cny' into 'master'"

This reverts merge request !3216 (merged)

It is being reverted due to BYPASS_SCHEMA_VERSION being null not working as expected.

We realized that the current embedding database schema version is much older than the codebase one, but the schema version check was not marking that as an error. It should have detected that difference, and should have errored out.

We have decided to revert this change for now, and make a new change in the CNG codebase to filter out embedding database schema. (internal slack)

related: gitlab-com/gl-infra/delivery#19688 (closed)

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added groupdelivery typemaintenance labels

requested review from @nolith

assigned to @jennykim-gitlab

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gitlab-cny, gitlab-cny-webservice-api, Deployment (apps) has changed
gitlab-cny, gitlab-cny-webservice-git, Deployment (apps) has changed
gitlab-cny, gitlab-cny-webservice-internal-api, Deployment (apps) has changed
gitlab-cny, gitlab-cny-webservice-web, Deployment (apps) has changed
gitlab-cny, gitlab-cny-webservice-websockets, Deployment (apps) has changed

marked the checklist item Check if all of the following apply: as completed

mentioned in commit d1fdc745

merged

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gitlab-cny, gitlab-cny-webservice-api, Deployment (apps) has changed
gitlab-cny, gitlab-cny-webservice-git, Deployment (apps) has changed
gitlab-cny, gitlab-cny-webservice-internal-api, Deployment (apps) has changed
gitlab-cny, gitlab-cny-webservice-web, Deployment (apps) has changed
gitlab-cny, gitlab-cny-webservice-websockets, Deployment (apps) has changed

mentioned in issue gitlab-com/gl-infra/delivery#19688 (closed)

changed the description

mentioned in commit gitlab-org/build/CNG@60cd98c2

mentioned in merge request gitlab-org/build/CNG!1627 (merged)

mentioned in commit gitlab-org/build/CNG@8f2789cb