Nicira plugin: enable_metadata_access_network option is unused

[Salvatore Orlando]

This option has been replaced by metadata_mode option.
Keeping it in the configuration files and in common/config.py might only be confusing to users.

[Salvatore Orlando (salvatore-orlando)]

Note: It seems that this option has been unused since the grizzly release.
Therefore we should not worry about backward compatibility.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/41714

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/41718

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/41718
Committed: http://github.com/openstack/neutron/commit/94b91ee461e0c15239e8f9f66fec88ff07463d43
Submitter: Jenkins
Branch: master

commit 94b91ee461e0c15239e8f9f66fec88ff07463d43
Author: Salvatore Orlando <email address hidden>
Date: Tue Aug 13 09:04:50 2013 -0700

    Remove references to enable_metadata_access_network_option

    Bug 1211850

    This configuration variable is vestigial and not used anywhere
    in the code. References to it should be removed to avoid confusion.

    Change-Id: I13f86fe8b964c163324160b4c983e773e6b93e40

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/41714
Committed: http://github.com/openstack-dev/devstack/commit/f5dbf8c8ef30c66cd40b07605b4aefa06b3e3c1d
Submitter: Jenkins
Branch: master

commit f5dbf8c8ef30c66cd40b07605b4aefa06b3e3c1d
Author: Salvatore Orlando <email address hidden>
Date: Tue Aug 13 09:02:46 2013 -0700

    Fix option for metadata access in nicira neutron plugin

    Bug 1211850

    Set metadata_mode option rather than enable_metadata_access_network.

    Change-Id: Ia85aba4d0dfb3e7b21937cf15aebc629e3705aed