Removed unused request_decorators

sjrpc/core/protocols/rpc.py

@@ -28,11 +28,10 @@ class RpcProtocol(Protocol):
     SPECIAL_MESSAGE = {'special': None}
 
     def __init__(self, connection, label, handler=None, on_disconnect=None,
-                 request_decorator=None, timeout=30, *args, **kwargs):
+                 timeout=30, *args, **kwargs):
         super(RpcProtocol, self).__init__(connection, label, *args, **kwargs)
         self._handler = handler
         self._on_disconnect = on_disconnect
-        self.request_decorator = request_decorator
         self._call_timeout = timeout
 
         # Store all calls sent to the peer. Key is the id of the call and value