Remove Python 2.6 classifier
Remove Python 2.6 classifier

Nova does not support Python 2.6 anymore starting with Kilo and might
not work correctly with it, so remove the classifier.

Change-Id: If60c60af9ae28ce91bdcc3f7f47c906ec8250dd1

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