Bug 25480: Don't hide apache error and display incorrect error

Bug 25480: Don't hide apache error and display incorrect error

When searching if some apache mod are enable we are hiding the error (2> /dev/null) and display an error about the (guessed) missing module.

It can lead to wrong tracks, let display the original apache error if there is one.

This is linked with https://gitlab.com/koha-community/koha-testing-docker/-/merge_requests/119

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>