Remove username column (#5052)

server/migrations/20230317144617-remove-user-username.js

@@ -0,0 +1,14 @@
+"use strict";
+
+module.exports = {
+  async up(queryInterface) {
+    return queryInterface.removeColumn("users", "username");
+  },
+
+  async down(queryInterface, Sequelize) {
+    return queryInterface.addColumn("users", "username", {
+      type: Sequelize.STRING,
+      allowNull: true,
+    });
+  },
+};