audit: further cleanup of AUDIT_FILTER_ENTRY deprecation

Remove the list parameter from the function call since the exit filter
list is the only remaining list used by this function.

This cleans up commit 5260ecc2
("audit: deprecate the AUDIT_FILTER_ENTRY filter")

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>