[CLEANUP] Cleanup EXT:info

Just a few simple cleanups

Resolves: #62796
Releases: master
Change-Id: I291de0badc614399f29b3599976ff869f868197d
Reviewed-on: http://review.typo3.org/33923
Reviewed-by: Stefan Froemken <froemken@gmail.com>
Tested-by: Stefan Froemken <froemken@gmail.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>