[TASK] Get rid of clear.gif in buttons

Resolves: #68304
Related: #68025
Releases: master
Change-Id: I90f372ac7570dcc57517b2f9b1e9efcd01b3b9ca
Reviewed-on: http://review.typo3.org/41606


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Sascha Wilking <sascha.wilking@hmmh.de>
Tested-by: Sascha Wilking <sascha.wilking@hmmh.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>