Don't show "Complete Billing" in pending page if customer has an

ExternalCredit, which means he/she has a subscription.

Signed-off-by: Birin Sanchez <birin.sanchez@puri.sm>
1 job for 350_remove_billing_msg_if_paid in 40 seconds (queued for 1 second)
Status Name Job ID Coverage
  Deb
passed deb #27203
liberty

00:00:40