[TASK] Remove old hook for simulatestatic

The hook was introduced and deprecated when
simulatestatic was moved to TER for 6.0.

Furthermore the old wapversion.lib files are
not part of the Core anymore, hence we can remove
some more overhead.

Resolves: #56491
Releases: 6.2
Change-Id: Ib9c05895eed3539ac9e540b39d720038c5cacedb
Reviewed-on: https://review.typo3.org/27991
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters