Remove URI options from available options (#251)
Remove URI options from available options (#251)

Fixes #249
pvm1987/google-cloud-php,chingor13/google-cloud-php,jdpedrie/google-cloud-php,chingor13/google-cloud-php,googleapis/google-cloud-php,tmatsuo/google-cloud-php,googleapis/google-cloud-php,pvm1987/google-cloud-php,googleapis/google-cloud-php,tmatsuo/google-cloud-php,jdpedrie/google-cloud-php,jdpedrie/google-cloud-php,chingor13/google-cloud-php