[!!!][BUGFIX] Remove ce-bodytext element if not needed

The wrapping div is superfluous if neither text nor header is set in
fluid_styled_content

Resolves: #75237
Releases: master
Change-Id: Ic5bba9cef51778311aa17df1c58d9c07ee439b8b
Reviewed-on: https://review.typo3.org/47368


Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>
Reviewed-by: Susanne Moog <typo3@susannemoog.de>
Tested-by: Susanne Moog <typo3@susannemoog.de>