Only allow Enketo offline survey setting when using API v2.
Only allow Enketo offline survey setting when using API v2.

jomolinare/kobocat,awemulya/fieldsight-kobocat,jomolinare/kobocat,mainakibui/kobocat,jomolinare/kobocat,awemulya/fieldsight-kobocat,awemulya/fieldsight-kobocat,kobotoolbox/kobocat,kobotoolbox/kobocat,jomolinare/kobocat,mainakibui/kobocat,mainakibui/kobocat,kobotoolbox/kobocat,awemulya/fieldsight-kobocat,mainakibui/kobocat,kobotoolbox/kobocat