The IMAGEBUTTON element is removed.

Resolves: #77345
Releases: master
Change-Id: If7103884c4150ec4eaac53bb3e3ed0df1833374a
Reviewed-on: https://review.typo3.org/49320


Tested-by: Bamboo TYPO3com <info@typo3.com>
Reviewed-by: Frederic Gaus <frederic.gaus@flagbit.de>
Reviewed-by: Sebastian Bumann <bumann.sebastian@gmail.com>
Tested-by: Sebastian Bumann <bumann.sebastian@gmail.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>