Abandon pholio spec

Abandon the pholio spec.  Add some breadcrumbs in a note for future
spec explorers.

Change-Id: I3f01d5d0463eec0fd1e953401adf5f9573777928

doc/source/index.rst

@@ -38,7 +38,6 @@ permits.
    specs/deploy-ci-dashboard
    specs/jenkins-job-builder_2.0.0-api-changes
    specs/nodepool-drivers
-   specs/pholio
    specs/ptgbot
    specs/puppet-module-functional-testing
    specs/refstack_dot_org
@@ -124,6 +123,7 @@ implemented, they have been abandoned.
    specs/logs-in-swift
    specs/maniphest
    specs/nodepool-launch-workers
+   specs/pholio
 
 Specifications Repository Information
 =====================================

specs/pholio.rst

@@ -6,6 +6,16 @@
   Unported License.
   http://creativecommons.org/licenses/by/3.0/legalcode
 
+.. note::
+
+   Much of this spec, including the puppet deployment, was
+   implemented.  However the Pholio host has been deprecated and
+   removed as of July 2017 due to changing circumstances.
+
+   See also
+
+   * `<http://lists.openstack.org/pipermail/openstack-dev/2017-June/118275.html>`__
+   * `<https://review.openstack.org/#/c/477386/>`__
 
 ===========================
 Pholio Service Installation