Removed colloquialism
Removed colloquialism

Removed colloquialism "choose your own OpenStack adventure".

Change-Id: I799320af01e5bcf295ec88c9d3fcb22a16352cda
Closes-Bug: #1494554

AlekhyaMallina-Vedams/openstack-manuals,kairoaraujo/openstack-manuals,openstack/openstack-manuals,kairoaraujo/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,Akasurde/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,Akasurde/openstack-manuals,openstack/openstack-manuals