[!!!] [TASK] Remove legacy CSS Styled Content TS prior to 6.2

In the process of removing legacy code, the states
for CSS Styled Content Templates for 6.1, 6.0, 4.7, 4.6, 4.5
are removed without substitution.

Resolves: #64637
Releases: master
Change-Id: I6bf7abde4527b847c40e5f40ab757f1ca416989a
Reviewed-on: http://review.typo3.org/36422


Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Reviewed-by: G. Bodenschatz <coding@46halbe.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>