Reference to "edge" in course creator request email

[michaelwheeler]

The notification email for pending course creator requests mentions "edge" which I think is terminology specific to edx.org.

edx-platform/cms/templates/emails/course_creator_admin_user_pending.txt

Line 2 in c34ccff

${_("User '{user}' with e-mail {email} has requested {studio_name} course creator privileges on edge.").format(

[dianakhuang]

@jristau1984 I think this is relevant to TNL. Maybe just an inform or a quick fix if we don't need this flow anymore.

[feanil]

Looks like this was resolved via #35607