Remove :transient metadata from test case

What does this MR do and why?

Describe in detail what your merge request does and why.

This spec has been passing consistently in nightly transient bug tests job for about a week now:

• https://gitlab.com/gitlab-org/quality/nightly/-/jobs/2508294251#L663
• https://gitlab.com/gitlab-org/quality/nightly/-/jobs/2513030781#L3851
• https://gitlab.com/gitlab-org/quality/nightly/-/jobs/2536495842#L3960
• https://gitlab.com/gitlab-org/quality/nightly/-/jobs/2541826451#L1610
• https://gitlab.com/gitlab-org/quality/nightly/-/jobs/2546258429#L310
• https://gitlab.com/gitlab-org/quality/nightly/-/jobs/2547562170#L346
• https://gitlab.com/gitlab-org/quality/nightly/-/jobs/2549015992#L722

I'm removing the transient metadata so it can be run in other environments.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

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

Related to #361400 (closed)