[Automated suite cleaning | Perf] Optimize the delete request

Affected version : 4.1.0 & following until 6.0.0

Expected behaviour :

When the user use the "Automated suite cleaning" feature in the administration space, a delete request is used. It should complete in a "reasonable" amount of time.

Observed behaviour :

Currently, the request takes several minutes to complete and should be optimized.

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information