Revert "AI-664 : basically idea is to have FormInstance in range (of FormClass) but own by FormInstances with type of DataOwnerClass."

This reverts commit 0a0800e3dcc9c32e6690f2ea7ce6ba591f12dd35.
Revert "AI-664 : added subformtype"

This reverts commit f06e2d60cd1e5e90703d730fa4629fb164164077.