[TASK] Wrong method phpdoc

In class "DataHandlerHook" of extension "version" the method
description of "processCmdmap_deleteAction" is just a copy from
the method above.

Change-Id: I280c3a2f364383696a24c5ad47f199cd5e55b560
Resolves: #53820
Releases: 6.2
Reviewed-on: https://review.typo3.org/25552
Reviewed-by: Philipp Gampe
Tested-by: Philipp Gampe