[BUGFIX] Revert "Have CKEditor link plugin keep tags"

This reverts commit 551f540f.

Reason for revert: A regression was introduced

Change-Id: I7aee1dec8f4197305156f204db27c6f0704762c2
Resolves: #99077
Reverts: #93457
Releases: 11.5
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/76612


Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>