[CLEANUP] Remove option "edit_wideDocument"

The historical option "wide document" can
be safely removed, as the wide screen options
from 10 years ago are default by now.

Resolves: #57295
Releases: 6.2
Change-Id: I0e5c81046733f4ddd10cc7d084f0ef7b952c3cb0
Reviewed-on: https://review.typo3.org/28769
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel
Reviewed-by: Simon Schaufelberger
Tested-by: Simon Schaufelberger
Reviewed-by: Georg Ringer
Tested-by: Georg Ringer