[TASK] Cleanup for Package Management

Removing the last bits for the Package Management area which are not in use.

Releases: master
Resolves: #67564
Change-Id: Ib23e3de5c02393701fb92b53b704f7d0f4748ad5
Reviewed-on: http://review.typo3.org/40240


Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>