vmwareapi: remove unused update_host_status method
vmwareapi: remove unused update_host_status method

The VMWare driver declares a method 'update_host_status'
which has no callers anywhere in the codebase.

This is left over code that was missed in the cleanup from

  commit 2cb47fbabf09ced76178e8453d508c66f86a7a3a
  Author: Arata Notsu <notsu@virtualtech.jp>
  Date:   Thu Oct 18 22:40:01 2012 +0900

    Remove ComputeDriver.update_host_status()

Partial-bug: #1333219
Change-Id: Ie0de9b6d427246cb3c3adb818d483b61dfb08d82

openstack/nova,eayunstack/nova,devendermishrajio/nova,adelina-t/nova,shail2810/nova,berrange/nova,JioCloud/nova_test_latest,barnsnake351/nova,Juniper/nova,Stavitsky/nova,yosshy/nova,BeyondTheClouds/nova,takeshineshiro/nova,orbitfp7/nova,alaski/nova,Francis-Liu/animated-broccoli,JioCloud/nova,joker946/nova,virtualopensystems/nova,iuliat/nova,dims/nova,maelnor/nova,JianyuWang/nova,raildo/nova,cloudbase/nova,noironetworks/nova,silenceli/nova,angdraug/nova,JioCloud/nova_test_latest,BeyondTheClouds/nova,rahulunair/nova,saleemjaveds/https-github.com-openstack-nova,scripnichenko/nova,openstack/nova,ruslanloman/nova,tianweizhang/nova,cloudbase/nova-virtualbox,badock/nova,vladikr/nova_drafts,jeffrey4l/nova,akash1808/nova_test_latest,JioCloud/nova,cyx1231st/nova,badock/nova,sebrandon1/nova,affo/nova,cernops/nova,tangfeixiong/nova,redhat-openstack/nova,klmitch/nova,alaski/nova,nikesh-mahalka/nova,vmturbo/nova,mgagne/nova,thomasem/nova,klmitch/nova,mmnelemane/nova,projectcalico/calico-nova,apporc/nova,blueboxgroup/nova,shail2810/nova,cernops/nova,belmiromoreira/nova,ted-gould/nova,zaina/nova,virtualopensystems/nova,zaina/nova,mikalstill/nova,akash1808/nova,devendermishrajio/nova_test_latest,sebrandon1/nova,bigswitch/nova,bgxavier/nova,tudorvio/nova,yosshy/nova,barnsnake351/nova,Juniper/nova,petrutlucian94/nova,alvarolopez/nova,bigswitch/nova,mandeepdhami/nova,dawnpower/nova,berrange/nova,akash1808/nova_test_latest,rajalokan/nova,mmnelemane/nova,jianghuaw/nova,cyx1231st/nova,hanlind/nova,CEG-FYP-OpenStack/scheduler,ted-gould/nova,felixma/nova,thomasem/nova,noironetworks/nova,cloudbase/nova,fnordahl/nova,vmturbo/nova,gooddata/openstack-nova,cloudbase/nova,varunarya10/nova_test_latest,Francis-Liu/animated-broccoli,zhimin711/nova,nikesh-mahalka/nova,belmiromoreira/nova,whitepages/nova,Tehsmash/nova,alexandrucoman/vbox-nova-driver,edulramirez/nova,gooddata/openstack-nova,tudorvio/nova,adelina-t/nova,yatinkumbhare/openstack-nova,phenoxim/nova,rahulunair/nova,hanlind/nova,vmturbo/nova,zzicewind/nova,takeshineshiro/nova,watonyweng/nova,Metaswitch/calico-nova,zzicewind/nova,mahak/nova,eonpatapon/nova,bgxavier/nova,CloudServer/nova,jianghuaw/nova,isyippee/nova,double12gzh/nova,CEG-FYP-OpenStack/scheduler,openstack/nova,mikalstill/nova,j-carpentier/nova,Yusuke1987/openstack_template,sebrandon1/nova,Juniper/nova,scripnichenko/nova,raildo/nova,j-carpentier/nova,eonpatapon/nova,alexandrucoman/vbox-nova-driver,jianghuaw/nova,gooddata/openstack-nova,vmturbo/nova,isyippee/nova,tangfeixiong/nova,jeffrey4l/nova,watonyweng/nova,tianweizhang/nova,redhat-openstack/nova,gooddata/openstack-nova,NeCTAR-RC/nova,felixma/nova,CCI-MOC/nova,mahak/nova,hanlind/nova,vladikr/nova_drafts,viggates/nova,devendermishrajio/nova_test_latest,mahak/nova,devendermishrajio/nova,fnordahl/nova,alvarolopez/nova,maelnor/nova,CCI-MOC/nova,jianghuaw/nova,Yusuke1987/openstack_template,tealover/nova,viggates/nova,MountainWei/nova,kimjaejoong/nova,rajalokan/nova,dawnpower/nova,LoHChina/nova,petrutlucian94/nova,whitepages/nova,mgagne/nova,JianyuWang/nova,yatinkumbhare/openstack-nova,LoHChina/nova,iuliat/nova,affo/nova,rajalokan/nova,Metaswitch/calico-nova,Stavitsky/nova,kimjaejoong/nova,edulramirez/nova,eayunstack/nova,joker946/nova,varunarya10/nova_test_latest,klmitch/nova,tealover/nova,dims/nova,phenoxim/nova,saleemjaveds/https-github.com-openstack-nova,TwinkleChawla/nova,Tehsmash/nova,silenceli/nova,zhimin711/nova,Juniper/nova,projectcalico/calico-nova,angdraug/nova,NeCTAR-RC/nova,blueboxgroup/nova,rahulunair/nova,apporc/nova,double12gzh/nova,cloudbase/nova-virtualbox,orbitfp7/nova,rajalokan/nova,akash1808/nova,TwinkleChawla/nova,MountainWei/nova,mandeepdhami/nova,klmitch/nova,CloudServer/nova,BeyondTheClouds/nova,mikalstill/nova,ruslanloman/nova,cernops/nova