[TASK] Deprecate PageRenderer->loadJQuery()

Instead of explicitly call loadJQuery() this should be handled
by requireJS or - even better - use vanilla JavaScript instead.

Resolves: #86438
Releases: master
Change-Id: Iecc2ceb7fa01578b00a63262f393bd1b92fa13e1
Reviewed-on: https://review.typo3.org/58455


Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: TYPO3com <no-reply@typo3.com>