Unable to change host location
Description of problem:
Once virt-who reported the hypervisor we are unable to assign location.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Create more then one location.
2. Assign location to the virt-who hypervisor.
Unregister host virt-who-astron-1.syslab.pnq2.redhat.com-3 before assigning an organization
We should be able to assign location.