MBS-6023, Remove unused t/sql/ files.
MBS-6023, update Edit::Medium::Create test to refer to ->{tracks} in display_data, instead of ->{tracklist}.
Fix Data::Release tests

The t/sql/release.sql has changed to start with a track_count of '0' (which is
correct), which means that trying to find releases with 2 tracks will fail -
because the releases that we are expecting actually only have 1 track.
MBS-799: don't use primary_code for areas, re: mmd-schema suggestions
Merge branch 'data-release-tests'

* data-release-tests:
  Fix Data::Release tests
Merge branch 'no-primary-code'

* no-primary-code:
  MBS-799: don't use primary_code for areas, re: mmd-schema suggestions
Merge branch 'master' into mbs-6023-master

* master: (436 commits)
  MBS-799: don't use primary_code for areas, re: mmd-schema suggestions
  Revert two erronous fixes from commit f90aa1177bf2ee7f8376b4c352e3fd8f65d25ded .
  Fix Data::Release tests
  Reset the artist_credit_id_seq in t/sql/create_medium.sql to pass Edit::Medium::Create tests
  MBS-6069 / MBS-6023, Fix Edit::Medium::Create test.
  Fix an incorrect merge of Data::Relationship tests
  Consolidate documentation schema work into two scripts.
  Re-write the way long_link_phrase is used in edits
  fix replication for documentation
  Areas + relationship documentation integration
  MBS-799: don't create rels we won't use
  Fix _builder call that missed the addition of
  MBS-799/MBS-5920: remove Data::Country and Entity::Country
  MBS-799/MBS-5920: not that it probably works with release events, but update release editor seeding
  MBS-799/MBS-5920: Fix statistics/view.js
  MBS-799/MBS-5920: fix historic edit types
  MBS-799/MBS-5920: get basic country-related statistics working again
  MBS-799/MBS-5920: update EditReleaseLabel
  Fix Add Cover Art test
  MBS-799/MBS-5920: ocharles' suggestions from review
  ...

Conflicts:
	t/lib/t/MusicBrainz/Server/Edit/Medium/Create.pm
	t/sql/create_medium.sql
	t/sql/inserttestdata-with-truncate.sql
	t/sql/release.sql
	t/sql/release_editor.sql
Merge branch 'mbs-6023-master'

* mbs-6023-master:
  MBS-6023, update Edit::Medium::Create test to refer to ->{tracks} in display_data, instead of ->{tracklist}.
  MBS-6023, Remove unused t/sql/ files.