[TASK] Remove deprecated parts marked for removal

Parts of Core are marked as deprecated and should be removed in
TYPO3 4.6. This patch does this clean-up.

Change-Id: Ib33c649d1b1f31ebbfb0fe6e825bb81b47b185a1
Resolves: #27983
Releases: 4.6
Reviewed-on: http://review.typo3.org/3351
Reviewed-by: Markus Klein
Reviewed-by: Philipp Gampe
Reviewed-by: Georg Ringer
Reviewed-by: Steffen Gebert
Tested-by: Steffen Gebert
Reviewed-by: Xavier Perseguers
Tested-by: Xavier Perseguers