Remove redundant MData class

utils.py

@@ -30,15 +30,8 @@ class Entity:
         self.valid_until = 0
         self.cache_duration = 0
         self.last_modified = 0
-
-
-class MData(object):
-    def __init__(self):
-        self.md = None
         self.max_age = (datetime.now(tz.tzutc()) +
                         timedelta(seconds=60))
-        self.last_modified = 0
-        self.valid_until = 0
 
 
 class EventProcessor(pyinotify.ProcessEvent):
@@ -158,7 +151,7 @@ class Realm:
         else:
             sha1 = hasher(entityID)
 
-        data = MData()
+        data = Entity()
         if sha1 in self.__dict__:
             signed_entity = self.__dict__[sha1]
             if signed_entity.expires > datetime.now(tz.tzutc()):
@@ -196,7 +189,7 @@ class Realm:
             data = self.all_cache
         else:
             print("sign all")
-            data = MData()
+            data = Entity()
             ns = NSMAP
             root = ET.Element(f"{{{MD_NAMESPACE}}}EntitiesDescriptor",
                             nsmap=ns)