fixed bug #1187769 - removed link in diagram http://docs.openstack.org/grizzly/basic-install/apt/content/basic-install_architecture.html

Change-Id: I461e73a8e75574f3d577ed5a85d8ba10a04c19a7
Merge "fixed bug #1187769 - removed link in diagram http://docs.openstack.org/grizzly/basic-install/apt/content/basic-install_architecture.html"