[TASK] Move DB functionality pages.storage_pid to compatibility6

The TCA definitions are moved to the compatibility6
extension, the DB definition as well. Any reference
to the field is marked for deprecation.

Resolves: #65790
Releases: master
Change-Id: Ic9734ba114c6d23a2216b3aabf2e5658c5a3551b
Reviewed-on: http://review.typo3.org/37912


Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>