Install guide - Remove trove and sahara content

[Matt Kassawara]

As per discussion on the docs mailing list [1], remove broken trove and sahara content from prior releases of the installation guide.

[1] http://lists.openstack.org/pipermail/openstack-docs/2015-May/006782.html

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/juno
Review: https://review.openstack.org/190912

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/190912
Committed: https://git.openstack.org/cgit/openstack/openstack-manuals/commit/?id=5042e3abe2096bbfe17dbb1d67c84cb27d454b91
Submitter: Jenkins
Branch: stable/juno

commit 5042e3abe2096bbfe17dbb1d67c84cb27d454b91
Author: Matthew Kassawara <email address hidden>
Date: Thu Jun 11 22:56:37 2015 -0500

    [install-guide] Unlink trove and sahara content

    Unlinking trove and sahara content from installation guide due
    to recurring functionality issues. Leaving content files for
    potential future restoration.

    Change-Id: I6e873871434982499476ca22d24f80cd746e18ca
    Closes-Bug: #1464228