Remove instructions about the partial field in the getting started docs

[Victoria Martinez de la Cruz]

The Marconi getting started guide details how to use the partial field [0].

Since we have deprecated the partial field in v1.0 and we removed it completely in v1.1, it would make sense to mention it in the documentation [1].

[0] https://github.com/openstack/marconi/blob/master/doc/marconi-get-started/os-marconi-apiGettingStarted.xml#L738
[1] https://review.openstack.org/#/c/109391/1

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/117989

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/117989
Committed: https://git.openstack.org/cgit/openstack/zaqar/commit/?id=0c02c6028251bd79a727e84c8ae99ea29adf512d
Submitter: Jenkins
Branch: master

commit 0c02c6028251bd79a727e84c8ae99ea29adf512d
Author: Victoria Martínez de la Cruz <email address hidden>
Date: Sat Aug 30 15:27:22 2014 -0300

    Adds partial field deprecation note in the users guide

    This change adds information to the getting started user guide
    about the partial attribute deprecation/removal.

    Change-Id: I97684ffa7766885990e433304c9b8118b41c3af5
    Closes-Bug: #1350437