[BUGFIX] Remove deprecated TCA requestUpdate in ctrl section

An already deprecated TCA ctrl field requestUpdate was
apparently introduced by accident while streamlining
FSC and CSC.

Resolves: #80049
Related: #78899
Related: #79622
Releases: master
Change-Id: I41e613ffc99b17124deeb446ff6b5e24ec464f36
Reviewed-on: https://review.typo3.org/51880


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Thomas Hohn <thomas@hohn.dk>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>