[TASK] wizard_crpages cleanup

Make the code simpler and more readable.

Resolves: #64062
Releases: master
Change-Id: Ie46f49e8cc5b6982391004bfcdfd712bfbab1a03
Reviewed-on: http://review.typo3.org/35209


Reviewed-by: Benjamin Mack <benni@typo3.org>
Tested-by: Benjamin Mack <benni@typo3.org>
Reviewed-by: Daniel Maier <dani-maier@gmx.de>
Tested-by: Daniel Maier <dani-maier@gmx.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>