[!!!][TASK] Remove deprecated TSFE code superseded by AssetCollector

AssetCollector takes over logic that was previously built in TSFE, to decouple
more functionality from TSFE going more into the direction of SRP.

* TSFE->lastImageInfo
* TSFE->imagesOnPage

Resolves: #91536
Related: #91473
Releases: master
Change-Id: I3701e475ceed8d81173a4182417797fe04aaed84
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64604


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>