Remove TT_PORT and TT_HOST data constants from celery.backend.tyrant reference doc.

docs/reference/celery.backends.tyrant.rst

@@ -4,11 +4,5 @@ Backend: Tokyo Tyrant - celery.backends.tyrant
 
 .. currentmodule:: celery.backends.tyrant
 
-.. data:: TT_HOST
-    The hostname for the Tokyo Tyrant server. Taken from Django settings.
-
-.. data:: TT_PORT
-    The port for the Tokyo Tyrant server. Taken from Django settings.
-
 .. automodule:: celery.backends.tyrant
     :members: