remove calculate condition on all questions except data nodes (Case:48477)
remove calculate condition on all questions except data nodes (Case:48477)

also remove "is this question required?" for data nodes

possible further removals for groups and repeats pending discussion

mwhite/Vellum,mwhite/Vellum,johnhbenetech/Vellum,johnhbenetech/Vellum,johnhbenetech/Vellum,esoergel/Vellum,johnhbenetech/Vellum