Deprecate PropertyCacher.py

The pyphosphor package provides equivalent function
so use that and drop the duplicated code.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/bin/inventory_items.py b/bin/inventory_items.py
index bf7f414..1b0fa39 100755
--- a/bin/inventory_items.py
+++ b/bin/inventory_items.py
@@ -8,7 +8,7 @@
 import dbus.mainloop.glib
 import cPickle
 import json
-import PropertyCacher
+from obmc.dbuslib.propertycacher import PropertyCacher
 from obmc.dbuslib.bindings import get_dbus, DbusProperties, DbusObjectManager
 
 if (len(sys.argv) < 2):
@@ -37,7 +37,6 @@
 		self.name = name
 		
 		## this will load properties from cache
-		# PropertyCacher.load(name,INTF_NAME,self.properties)
 		if (data.has_key('present') == False):
 			data['present'] = 'False'
 		if (data.has_key('fault') == False):