[BUGFIX] Remove wrong phpDoc for defineTypo3RequestTypes function

There is no return value, drop the @return tag.
Also add @param int $requestType to setRequestType

Resolves: #83801
Releases: master
Change-Id: I1f371effb5a56c02860af716ca4071ac3db3c4da
Reviewed-on: https://review.typo3.org/55593


Reviewed-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Tested-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>