Revert "also support limestone/marble slabs and stairs (although it seems I do"

This reverts commit ae476e322082ca1114be159b3159519c06029795.
Revert "add chisel compatibility for Geologica marble and limestone"

This reverts commit 845ea7a6cc54e5180b1da51cf4c61edf76dbca6d.
add Geologica stone compatibility via addSupport()