[TASK] Remove references to EXT:static_template

Since 6.2 static_template has been moved into the TER.
Remove any usages of that old thing in the core.

Resolves: #81108
Releases: master
Change-Id: I3e756210a44da26f3e2fdf2e2c8d94c882a4cf89
Reviewed-on: https://review.typo3.org/52681


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>