You removed the requirement but the field is still there and nothing says the field is optional. I read your reply as "we removed the field". FWIW I think it'

You removed the requirement but the field is still there and nothing says the field is optional. I read your reply as "we removed the field". FWIW I think it's reasonable to collect emails. But at least be honest as to whether the email field required (or not) on the form.