Updated openstack/openstack
Project: openstack/ceilometer  5f169d8f6efa910bc41d363b94373a7c205e8a2b

Remove duplicated config doc

Remove the list of config options from configuration.rst and add
reference to the OS Manuals Configuration Reference, which is the proper
place for this information. With this change the duplication of docco
is also removed.

Latest Config Reference update patch:
https://review.openstack.org/#/c/132997/

Closes-Bug: #1380605
Change-Id: I6293d2e92bdb3dcf8fbadf5d33d63cf38342c528