[TASK] Remove conf.php from ext:cshmanual

Resolves: #63612
Releases: master
Change-Id: I12bf2d44cae7fd88dc34d7bc6ad139fba78d7421
Reviewed-on: http://review.typo3.org/35076
Tested-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>