Remove Volume V1 specific test base classes
Remove Volume V1 specific test base classes

As part of mentioned BP, all volume API tests have been shared
between V1 and V2. Now BaseVolumeV1Test & BaseVolumeV1AdminTest
class can be removed from base.py.

Partially implements: blueprint cinder-v2-api-tests

Change-Id: I57916c8cb0c4bb8d7e847655f13da2b399ab7783

pandeyop/tempest,Tesora/tesora-tempest,manasi24/tempest,afaheem88/tempest,ebagdasa/tempest,hayderimran7/tempest,Juniper/tempest,flyingfish007/tempest,sebrandon1/tempest,Lilywei123/tempest,Vaidyanath/tempest,rakeshmi/tempest,tonyli71/tempest,zsoltdudas/lis-tempest,Lilywei123/tempest,roopali8/tempest,neerja28/Tempest,hpcloud-mon/tempest,hpcloud-mon/tempest,jaspreetw/tempest,redhat-cip/tempest,Tesora/tesora-tempest,masayukig/tempest,JioCloud/tempest,eggmaster/tempest,CiscoSystems/tempest,yamt/tempest,alinbalutoiu/tempest,jamielennox/tempest,xbezdick/tempest,manasi24/jiocloud-tempest-qatempest,jamielennox/tempest,alinbalutoiu/tempest,manasi24/jiocloud-tempest-qatempest,bigswitch/tempest,bigswitch/tempest,vedujoshi/tempest,afaheem88/tempest_neutron,FujitsuEnablingSoftwareTechnologyGmbH/tempest,tudorvio/tempest,rakeshmi/tempest,LIS/lis-tempest,pandeyop/tempest,nunogt/tempest,manasi24/tempest,rzarzynski/tempest,Vaidyanath/tempest,danielmellado/tempest,masayukig/tempest,varunarya10/tempest,dkalashnik/tempest,ebagdasa/tempest,tudorvio/tempest,JioCloud/tempest,pczerkas/tempest,afaheem88/tempest,Juniper/tempest,akash1808/tempest,openstack/tempest,varunarya10/tempest,openstack/tempest,xbezdick/tempest,LIS/lis-tempest,akash1808/tempest,hayderimran7/tempest,sebrandon1/tempest,pczerkas/tempest,vedujoshi/tempest,roopali8/tempest,danielmellado/tempest,afaheem88/tempest_neutron,neerja28/Tempest,cisco-openstack/tempest,redhat-cip/tempest,tonyli71/tempest,Juraci/tempest,rzarzynski/tempest,NexusIS/tempest,CiscoSystems/tempest,izadorozhna/tempest,NexusIS/tempest,flyingfish007/tempest,zsoltdudas/lis-tempest,yamt/tempest,izadorozhna/tempest,dkalashnik/tempest,nunogt/tempest,cisco-openstack/tempest,Juraci/tempest,FujitsuEnablingSoftwareTechnologyGmbH/tempest,jaspreetw/tempest,eggmaster/tempest