Changes to Delete Member From User Group

api operation id Delete_member_from_user_group_v1_workspace_groups__group_id__members_remove_post removed and replaced with remove_member

the header request parameter xi-api-key became optional

header request parameter xi-api-key list-of-types was widened by adding types null

for the header request parameter xi-api-key, the type was generalized from string to no type

endpoint added