fix delete in db.js in d-messenger

Author: axbuglak

JavaScript/d-messenger/lib/db.js

@@ -46,7 +46,7 @@ const crud = (pool) => (table) => ({
   },
 
   async delete(id) {
-    const sql = 'DELETE FROM ${table} WHERE id = $1';
+    const sql = `DELETE FROM ${table} WHERE id = $1`;
     return pool.query(sql, [id]);
   },
 });