fix: "cannot remove collection" related to unused stuff

database/migrations/1737478982886_drop_next_id_collections_table.ts

@@ -0,0 +1,21 @@
+import { BaseSchema } from '@adonisjs/lucid/schema';
+
+export default class extends BaseSchema {
+	protected tableName = 'collections';
+
+	async up() {
+		this.schema.alterTable('collections', (table) => {
+			table.dropColumn('next_id');
+		});
+	}
+
+	async down() {
+		this.schema.alterTable('collections', (table) => {
+			table
+				.integer('next_id')
+				.references('id')
+				.inTable('collections')
+				.defaultTo(null);
+		});
+	}
+}