MBS-6692: Remove references to NON_REPLICATED_TABLES

This subroutine was removed in a previous commit. I have removed
any calls to this subroutine now. NON_REPLICATED_TABLES previously
contained the names of pre-NGS tables anyway, so it doesn't seem like
the contents is particularly important.
Only load debug modules in debug mode
Prefer Digest::SHA over Digest::SHA1
MBS-6690: pass along stash/opts to serialize_entity when inc is passed
Merge remote-tracking branch 'ian/mbs-6690'
Merge branch 'mbs-6692'
Merge branch 'master' into beta
Merge branch 'beta' of github.com:metabrainz/musicbrainz-server into beta