Description of problem:
Unsubscribe broken in Subscription manager.

Version-Release number of selected component (if applicable):
subscription-manager-0.96.7-1

How reproducible:
always

Steps to Reproduce:
1.Register as any user in GUI
2.Unregister that user.

  
Actual results:
Unsubscribe button remains visible, however subscriptions are removed.

An exception is thrown, due to the entitlements directory not being found:

Traceback (most recent call last):
  File "/usr/share/rhsm/subscription_manager/gui/managergui.py", line 247, in on_identity_change
    self.refresh()
  File "/usr/share/rhsm/subscription_manager/gui/managergui.py", line 270, in refresh
    self._set_validity_status()
  File "/usr/share/rhsm/subscription_manager/gui/managergui.py", line 384, in _set_validity_status
    sorter = CertSorter(self.product_dir, self.entitlement_dir, facts_dict=self.facts.get_facts())
  File "/usr/share/rhsm/subscription_manager/cert_sorter.py", line 77, in __init__
    self._scan_entitlement_certs()
  File "/usr/share/rhsm/subscription_manager/cert_sorter.py", line 100, in _scan_entitlement_certs
    ent_certs = self.entitlement_dir.list()
  File "/usr/share/rhsm/subscription_manager/certdirectory.py", line 105, in list
    for p, fn in Directory.list(self):
  File "/usr/share/rhsm/subscription_manager/certdirectory.py", line 49, in list
    for p, fn in self.listAll():
  File "/usr/share/rhsm/subscription_manager/certdirectory.py", line 42, in listAll
    for fn in os.listdir(self.path):
OSError: [Errno 2] No such file or directory: '/etc/pki/entitlement'

Expected results:
Unregister should succeed without issue.

Additional info: