unused method list_interfaces in vmware driver can be removed

[Yaguang Tang]

list_interface in vmware driver is unused any more, so can be removed.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/31611

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/31611
Committed: http://github.com/openstack/nova/commit/5b804e51413adfe15a32eb40e904a02e5a1166f9
Submitter: Jenkins
Branch: master

commit 5b804e51413adfe15a32eb40e904a02e5a1166f9
Author: Yaguang Tang <email address hidden>
Date: Tue Jun 4 13:56:32 2013 +0800

    Remove unused method in VMware driver.

    list_interface method in VMware driver isn't used any where.

    Fix bug #1187251

    Change-Id: Idc7cee5ab1d0c5b4ebf57ca28511e3b7b4a85240

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/33679
Committed: http://github.com/openstack/nova/commit/19c443bc58f5cdc9623bc6f7e41d9c4cf588a4aa
Submitter: Jenkins
Branch: stable/grizzly

commit 19c443bc58f5cdc9623bc6f7e41d9c4cf588a4aa
Author: Yaguang Tang <email address hidden>
Date: Fri May 24 11:50:43 2013 +0800

    Fix VMware Hyper can't honor hw_vif_model image property.

    Support setting instance vif model through image property,
    change default vif model to e1000. Available vif model options
    for VMware Hyperv is "VirtualE1000, VirtualPCNet32, VirtualVmxnet".
    Also this patch removes the unused list_interface method and tests.

    DocImpact
    Fix bug #1183192
    Fix bug #1187251

    Change-Id: I3a98bc26df7e2252bf043a71acbba2a158e213b8
    (cherry picked from commit 088995fc2c792d6d029abd0e45d5c0cf09a5125a)