remove scary error message in tox
remove scary error message in tox

Found an interesting cantrip in the devstack tox.ini that gets rid of
the scary can't find bash error message at the beginning of test
runs. Reducing non error looking error things make it easier to see
real errors.

Change-Id: I4e1b826626063bf8d5a15531f5768f9ce0eea6a5

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