CHANGE: Remove phone number field from initial registration

Closes #354

RIGS/regbackend.py

@@ -8,7 +8,7 @@ def user_created(sender, user, request, **kwargs):
     user.first_name = form.data['first_name']
     user.last_name = form.data['last_name']
     user.initials = form.data['initials']
-    user.phone = form.data['phone']
+    # user.phone = form.data['phone']
     user.save()