[BUGFIX] Invalid replacement hints in t3lib/

The comment and require_once call in deprecated classes are wrong.

Change-Id: I1d3e49bc977eef1c69551809596a5917a7ccf1f0
Fixes: #45998
Releases: 6.1, 6.0
Reviewed-on: https://review.typo3.org/18582
Reviewed-by: Wouter Wolters
Reviewed-by: Mattias Nilsson
Reviewed-by: Xavier Perseguers
Tested-by: Xavier Perseguers