orchestration API base class rename clear* functions
orchestration API base class rename clear* functions

Rename the clear* functions as they are "private" and only called
in tearDownClass - being effictively garbage collectors for the test
class we want to make clear that these should not be called from
the tests themselves.

Change-Id: I8b022a730af981ca202fe9f190d91ef9af3bf92d

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