[TASK] Use CPP in ModifyRecordListHeaderColumnsEvent

With this change, CPP is used in ModifyRecordListHeaderColumnsEvent.

Additionally, 2 superfluous type declarations have been removed
from the doc comments, since the setColumn() function already uses
PHP native type parameters.

Resolves: #101760
Releases: main
Signed-off-by: Torben Hansen <derhansen@gmail.com>
Change-Id: Ic85be4c765eb20bfc9e9f3df8c080e372c54a6a8
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/80700


Tested-by: Benjamin Franzke <ben@bnf.dev>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Benjamin Franzke <ben@bnf.dev>