[!!!][CLEANUP] Remove CSH glossary functionality

Resolves: #62987
Releases: master
Change-Id: I530f21d9e11e3a996350f812b16529a5f080d4cd
Reviewed-on: http://review.typo3.org/33702
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Benjamin Mack <benni@typo3.org>