[tests] remove unused mod from tests/lighttpd.conf

remove unused module mod_userdir from tests/lighttpd.conf
(module is tested in src/t/test_mod_userdir.c)

tests/lighttpd.conf

@@ -24,7 +24,6 @@ server.modules = (
 	"mod_expire",
 	"mod_simple_vhost",
 	"mod_cgi",
-	"mod_userdir",
 	"mod_status",
 	"mod_secdownload",
 	"mod_deflate",
@@ -91,11 +90,6 @@ extforward.forwarder = (
 	"127.0.30.1" => "trust",
 )
 
-userdir.include-user = (
-	"jan",
-)
-userdir.path = "/"
-
 url.access-deny = (
 	"~",
 	".inc",