[BUGFIX] Remove obsolete definitions in index.d.ts

Resolves: #90557
Releases: master
Change-Id: I9532ce47c1bee205fcf0b2afe941dc1be10e532a
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63476


Tested-by: Susanne Moog <look@susi.dev>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Susanne Moog <look@susi.dev>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>