Removed duplicated keys in dictionary
Removed duplicated keys in dictionary

Removed duplicated 'min_ram' and 'min_disk' keys.
These values cannot be None.

TrivialFix

Change-Id: If1b9bb6a477631556f8d9459c8b5038602f2180a

hanlind/nova,BeyondTheClouds/nova,bigswitch/nova,mikalstill/nova,zhimin711/nova,openstack/nova,hanlind/nova,Juniper/nova,gooddata/openstack-nova,apporc/nova,rahulunair/nova,edulramirez/nova,BeyondTheClouds/nova,MountainWei/nova,noironetworks/nova,scripnichenko/nova,raildo/nova,fnordahl/nova,mikalstill/nova,bigswitch/nova,CEG-FYP-OpenStack/scheduler,klmitch/nova,Francis-Liu/animated-broccoli,cyx1231st/nova,cernops/nova,raildo/nova,NeCTAR-RC/nova,TwinkleChawla/nova,openstack/nova,rajalokan/nova,ted-gould/nova,hanlind/nova,apporc/nova,rahulunair/nova,felixma/nova,vmturbo/nova,devendermishrajio/nova,vmturbo/nova,dims/nova,CEG-FYP-OpenStack/scheduler,alaski/nova,zhimin711/nova,rajalokan/nova,rahulunair/nova,noironetworks/nova,devendermishrajio/nova,BeyondTheClouds/nova,klmitch/nova,sebrandon1/nova,mahak/nova,TwinkleChawla/nova,mahak/nova,dims/nova,cyx1231st/nova,MountainWei/nova,vmturbo/nova,JianyuWang/nova,cloudbase/nova,j-carpentier/nova,NeCTAR-RC/nova,isyippee/nova,mikalstill/nova,sebrandon1/nova,mahak/nova,cloudbase/nova,jianghuaw/nova,Juniper/nova,isyippee/nova,klmitch/nova,yosshy/nova,cernops/nova,sebrandon1/nova,phenoxim/nova,phenoxim/nova,Juniper/nova,alaski/nova,gooddata/openstack-nova,rajalokan/nova,yosshy/nova,edulramirez/nova,Juniper/nova,scripnichenko/nova,Francis-Liu/animated-broccoli,jianghuaw/nova,gooddata/openstack-nova,jianghuaw/nova,jianghuaw/nova,ted-gould/nova,klmitch/nova,gooddata/openstack-nova,vmturbo/nova,fnordahl/nova,j-carpentier/nova,cloudbase/nova,felixma/nova,rajalokan/nova,cernops/nova,JianyuWang/nova,openstack/nova,CCI-MOC/nova,CCI-MOC/nova