qos record:fix disable on interface delete
qos record:fix disable on interface delete

handle the case where qos record was enabled more than once

Change-Id: Ic901b2f5b400751e82d57655983d10457ec62243
Signed-off-by: Eyal Bari <fc8b6df29e0d3cf2af21713ee0e85afadbf47bf8@cisco.com>

vpp-dev/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,vpp-dev/vpp,vpp-dev/vpp,vpp-dev/vpp,vpp-dev/vpp,FDio/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,vpp-dev/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,vpp-dev/vpp,FDio/vpp,chrisy/vpp