Don't call super() in Timer class __init__ method

Timer class is a base python object, super() is unneeded.

Trivialfix

Change-Id: I078a2b0fe60344aee0c45c3d6d661f71660b176f

neutron/common/utils.py

@@ -875,7 +875,6 @@ class Timer(object):
     finishes without rising TimerTimeout.
     """
     def __init__(self, timeout=None, raise_exception=True):
-        super(Timer, self).__init__()
         self.start = self.delta = None
         self._timeout = int(timeout) if timeout else None
         self._timeout_flag = False