Remove leftover homedir clouds.yaml files
Remove leftover homedir clouds.yaml files

We don't write files here anymore, but it's higher in the precedence
order than the /etc/openstack/clouds.yaml file we do write. Some
developers who have long-lived devstacks who update infrequently have
been bitten by the leftover file.

Change-Id: I8af6bd465f74099c560dddba6b5221dd79cbc965

group-policy/devstack,dtroyer/devstack,openstack-dev/devstack,Mahito/devstack,bswartz/devstack,samgoon/devstack,noironetworks/devstack,dirkmueller/devstack,noironetworks/devstack,nawawi/openstack,Mahito/devstack,dtroyer/devstack,nawawi/openstack,bigswitch/devstack,openstack-dev/devstack,bswartz/devstack,group-policy/devstack,richliu/devstack,samgoon/devstack,dirkmueller/devstack,richliu/devstack,bigswitch/devstack