The amount of headline in backend user module can be reduced.
There is one headline for one view in Backend User Management.

Change-Id: If6b58b0ac2a09ecc9020714dba01448b6c159cb5
Resolves: #51147
Releases: 6.2
Reviewed-on: https://review.typo3.org/23163
Reviewed-by: Philipp Gampe
Tested-by: Philipp Gampe
Reviewed-by: Stefan Neufeind
Tested-by: Stefan Neufeind