Remove remove_mr_blocking_constraints feature flag

What does this MR do and why?

This MR removes the remove_mr_blocking_constraints feature flag. The flag was introduced in GitLab 16.6 to allow users to create indirect, nested merge request dependencies and is now on by default.

How to set up and validate locally

1. Check out this branch
2. Create a couple of merge requests in a local project
3. Create a merge request nested dependency as shown here: https://docs.gitlab.com/ee/user/project/merge_requests/dependencies.html#complex-merge-order-dependencies-are-unsupported
4. Verify that the merge request was created successfully.

MR acceptance checklist

• I have evaluated the MR acceptance checklist for this MR.

Related Issues

• #429853 (closed) - Remove remove_mr_blocking_constraints feature flag

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This description was generated for revision 668c14e5 using AI