[ADT] Remove makeArrayRef and makeMutableArrayRef (#79719)
These have been deprecated since:
commit 36117cc4
Author: serge-sans-paille <sguelton@mozilla.com>
Date: Tue Jan 10 11:49:15 2023 +0100
commit c4b39cd0
Author: Joe Loser <joeloser@fastmail.com>
Date: Mon Jan 16 14:52:16 2023 -0700