Use native esm

models/artist.js

@@ -1,24 +0,0 @@
-export default function (sequelize, DataTypes) {
-  const Artist = sequelize.define('artist', {
-    id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true },
-    name: DataTypes.TEXT,
-    streamUrl: DataTypes.TEXT,
-    purchaseUrl: DataTypes.TEXT,
-    artworkSmall: DataTypes.TEXT,
-    artworkLarge: DataTypes.TEXT,
-  }, {
-    paranoid: true,
-    indexes: [
-      {
-        fields: ['name'],
-      },
-    ],
-  });
-
-  Artist.associate = function associate(models) {
-    Artist.hasMany(models.track);
-    Artist.hasMany(models.album);
-  };
-
-  return Artist;
-}