Remove deprecated SR-IOV devstack file

[Rodolfo Alonso]

File [1] functionality is deprecated and not used anymore in devstack.

Along with this file, the function "configure_ml2" [2] should be removed. This function is not used anymore [3].

[1]https://opendev.org/openstack/neutron/src/branch/stable/stein/devstack/lib/ml2_drivers/sriovnicswitch
[2]https://opendev.org/openstack/neutron/src/branch/stable/stein/devstack/lib/ml2#L9
[3]http://codesearch.openstack.org/?q=configure_ml2&i=nope&files=&repos=

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/656543

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/656543
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=c6db2a0e40b336039d722eb4a10aa69d89f5b1d1
Submitter: Zuul
Branch: master

commit c6db2a0e40b336039d722eb4a10aa69d89f5b1d1
Author: Rodolfo Alonso Hernandez <email address hidden>
Date: Tue Apr 30 16:24:54 2019 +0000

    Remove deprecated SR-IOV devstack file

    File [1] functionality is deprecated and not used anymore in
    devstack.

    Along with this file, the function "configure_ml2" [2] should be
    removed. This function is not used anymore [3].

    [1]https://opendev.org/openstack/neutron/src/branch/stable/stein/devstack/lib/ml2_drivers/sriovnicswitch
    [2]https://opendev.org/openstack/neutron/src/branch/stable/stein/devstack/lib/ml2#L9
    [3]http://codesearch.openstack.org/?q=configure_ml2&i=nope&files=&repos=

    Change-Id: I835a30244c505876c1b686ceb8c32b340c12b460
    Closes-Bug: #1827089

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/neutron 15.0.0.0b1 development milestone.