There's absolutely no reason to delay web startup for 20 seconds. 2
seconds is more than enough to make Crash start up quickly.

Cc: Amnon Heiman <amnon@cloudius-systems.com>
Cc: Tomasz Grabiec <tgrabiec@cloudius-systems.com>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>