Remove dummy db data

src/common/article.php

@@ -9,10 +9,6 @@ class Article {
         $user = getenv("MYSQL_USER");
         $pass = getenv("MYSQL_PASS");
 
-        $host = "127.0.0.1";
-        $db   = "site";
-        $user = "root";
-        $pass = "password";
         return new Article($host, $db, $user, $pass);
     }