Remove hash seed comment from tox.ini
Remove hash seed comment from tox.ini

Commit 7fc0dc05684a10b205212e6e96d9e0298b91c73a removed the
PYTHONHASHSEED environment variable usage so the comment no longer
applies.

Change-Id: I82591c6de9f81d1f72ba99d4fe9561ff60aefac6

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