Modify docstring on send_delete_port_request in N1kv plugin
Modify docstring on send_delete_port_request in N1kv plugin

N1kv plugin: Modify docstring on _send_delete_port_request method

Change-Id: I64d34878ffd8f6db703e4c1d9849032fef9bae96
Closes-Bug: #1381277

nikolay-fedotov/networking-cisco,noironetworks/networking-cisco,CiscoSystems/networking-cisco,Gitweijie/first_project,cisco-openstack/networking-cisco,cisco-openstack/networking-cisco,noironetworks/networking-cisco,Tehsmash/networking-cisco,CiscoSystems/networking-cisco,hareeshpc/networking-cisco,openstack/networking-cisco,hareeshpc/networking-cisco,openstack/networking-cisco,Gitweijie/first_project,Tehsmash/networking-cisco