[!!!][TASK] Remove deprecated code from ExpressionLanguage

- ip() function throws exception if there is no request, can
  no longer use request related conditions in UserTsConfig
  and PageTsConfig
- loginUser() function removed
- usergroup() function removed

Resolves: #101053
Related: #100963
Related: #100047
Related: #100349
Change-Id: Ie32d5bd7c330f656b8d29c7c4d7b639b022e8293
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/79335


Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Benni Mack <benni@typo3.org>