Clean up a bunch of unused/dead code.

Found code using vulture: http://pypi.python.org/pypi/vulture

BUG=chromium-os:36814
TEST=All unittests pass.

Change-Id: I55cd37d43fe794733936f73aacbaecaedd31b6bd
Reviewed-on: https://gerrit.chromium.org/gerrit/38968
Commit-Ready: Chris Sosa <sosa@chromium.org>
Reviewed-by: Chris Sosa <sosa@chromium.org>
Tested-by: Chris Sosa <sosa@chromium.org>
diff --git a/autoupdate_unittest.py b/autoupdate_unittest.py
index 9733512..02c6670 100755
--- a/autoupdate_unittest.py
+++ b/autoupdate_unittest.py
@@ -154,11 +154,11 @@
     au_mock = self._DummyAutoupdateConstructor()
     self.assertEqual(au_mock.HandleUpdatePing(test_data), self.payload)
     curr_host_info = au_mock.host_infos.GetHostInfo('127.0.0.1');
-    self.assertEqual(curr_host_info.GetAttr('last_known_version'),
+    self.assertEqual(curr_host_info.attrs['last_known_version'],
                      'ForcedUpdate')
-    self.assertEqual(curr_host_info.GetAttr('last_event_type'),
+    self.assertEqual(curr_host_info.attrs['last_event_type'],
                      self.test_dict['event_type'])
-    self.assertEqual(curr_host_info.GetAttr('last_event_status'),
+    self.assertEqual(curr_host_info.attrs['last_event_status'],
                      self.test_dict['event_result'])
     self.mox.VerifyAll()
 
@@ -198,7 +198,7 @@
 
     au_mock.HandleSetUpdatePing(test_ip, test_label)
     self.assertEqual(
-        au_mock.host_infos.GetHostInfo(test_ip).GetAttr('forced_update_label'),
+        au_mock.host_infos.GetHostInfo(test_ip).attrs['forced_update_label'],
         test_label)
 
   def testHandleUpdatePingWithSetUpdate(self):
@@ -227,7 +227,7 @@
     au_mock.HandleSetUpdatePing('127.0.0.1', test_label)
     self.assertEqual(
         au_mock.host_infos.GetHostInfo('127.0.0.1').
-        GetAttr('forced_update_label'),
+        attrs['forced_update_label'],
         test_label)
     self.assertEqual(au_mock.HandleUpdatePing(test_data), self.payload)
     self.assertFalse('forced_update_label' in