don't set default timezone
don't set default timezone

This can cause many stat calls for reading zoneinfo:
https://bugs.php.net/bug.php?id=54250

and it's hardcoded to Berlin which doesn't make much sense

and we don't need it at all

kaufmo/koala-framework,yacon/koala-framework,nsams/koala-framework,yacon/koala-framework,nsams/koala-framework,yacon/koala-framework,kaufmo/koala-framework,koala-framework/koala-framework,kaufmo/koala-framework,koala-framework/koala-framework,nsams/koala-framework