chore(*.psql/*.sql): update all *.psql to *.sql files

queries/views/media/music/concerts.psql

@@ -1,17 +0,0 @@
-CREATE OR REPLACE VIEW optimized_concerts AS
-SELECT
-  c.id,
-  c.date,
-  CASE WHEN c.artist IS NOT NULL THEN
-    json_build_object('name', a.name_string, 'url', a.slug)
-  ELSE
-    json_build_object('name', c.artist_name_string, 'url', NULL)
-  END AS artist,
-  json_build_object('name', v.name, 'name_short', trim(split_part(v.name, ',', 1)), 'latitude', v.latitude, 'longitude', v.longitude, 'notes', v.notes) AS venue,
-  c.notes AS concert_notes
-FROM
-  concerts c
-  LEFT JOIN artists a ON c.artist = a.id
-  LEFT JOIN venues v ON c.venue = v.id
-ORDER BY
-  c.date DESC;