Don't put a ControlPort without auth in sample bridge torrc

Thanks Roger for noticing

src/config/torrc.bridge.in

@@ -52,7 +52,7 @@ SocksListenAddress 127.0.0.1 # accept connections only from localhost
 
 ## The port on which Tor will listen for local connections from Tor
 ## controller applications, as documented in control-spec.txt.
-ControlPort 9051
+#ControlPort 9051
 ## If you enable the controlport, be sure to enable one of these
 ## authentication methods, to prevent attackers from accessing it.
 #HashedControlPassword 16:872860B76453A77D60CA2BB8C1A7042072093276A3D701AD684053EC4C