Rather than writing:

    type($release, 'generalized') !~ Type[Array]

This uses:

    $release !~ Array

Which is equal, but shorter.

It also refactors some conditionals merge some branches which results in
shorter code and arguably easier to read.

Shorten the conditionals in apt::source

In 9876c31 the parameter repos was
changed to no longer allow an empty string. It does allow an array, but
that isn't specifically handled for the list format.

Fixes: 9876c31 ("Add support for deb822 APT sources (#1167)")

Handle repos passed as an array for list format

(CAT-2134) Removing legacy facts

Release prep v10.0.1