Remove unused function definitions

dmr_utils.py

@@ -111,18 +111,4 @@ def get_alias(_id, _dict):
     _int_id = int_id(_id)
     if _int_id in _dict:
         return _dict[_int_id]
-    return _int_id
-
-# These are the functions you should use to look up IDs in the dictionaries
-# But they don't work here because they reference dictionraries not avaialbe
-# in this scope
-'''
-def sub_alias(_sub_id):
-    return get_info(int_id(_sub_id), subscriber_ids)
-    
-def peer_alias(_peer_id):
-    return get_info(int_id(_peer_id), peer_ids)
-
-def tg_alias(_tgid):
-    return get_info(int_id(_tgid), talkgroup_ids)
-'''
+    return _int_id