[TASK] Remove the Hook of NawSecuredl

It turns out the Hook is currently broken.
But more important, it should be kept
outside the extension (as a Gist for instance)
as it may conflict with existing implementation.

Change-Id: I87b5b264964125b40e7f03a3cddb0c87a1e8c7f1
Release: 3.0
Resolves: #61347
Reviewed-on: http://review.typo3.org/32580
Reviewed-by: Fabien Udriot <fabien.udriot@ecodev.ch>
Tested-by: Fabien Udriot <fabien.udriot@ecodev.ch>