remove dummy code

mishards/connections.py

@@ -152,59 +152,3 @@ class ConnectionMgr:
         if url is None:
             return self.on_nonexisted_meta(name)
         return self.on_unregister_meta(name, url)
-
-
-if __name__ == '__main__':
-    class Conn:
-        def __init__(self, state):
-            self.state = state
-
-        def connect(self, uri):
-            return self.state
-
-        def connected(self):
-            return self.state
-
-    fail_conn = Conn(False)
-    success_conn = Conn(True)
-
-    class Retry:
-        def __init__(self):
-            self.times = 0
-
-        def __call__(self, conn):
-            self.times += 1
-            print('Retrying {}'.format(self.times))
-
-
-    retry_obj = Retry()
-    c = Connection('client', uri='', on_retry_func=retry_obj)
-
-    def f():
-        print('ffffffff')
-
-    # c.conn = fail_conn
-    # m = c.connect(func=f)
-    # m()
-
-    c.conn = success_conn
-    m = c.connect(func=f)
-    m()
-
-    mgr = ConnectionMgr()
-    mgr.register('pod1', '111')
-    mgr.register('pod2', '222')
-    mgr.register('pod2', '222')
-    mgr.register('pod2', 'tcp://127.0.0.1:19530')
-
-    pod3 = mgr.conn('pod3')
-    print(pod3)
-
-    pod2 = mgr.conn('pod2')
-    print(pod2)
-    print(pod2.connected)
-
-    mgr.unregister('pod1')
-
-    logger.info(mgr.metas)
-    logger.info(mgr.conns)