removing circuit setup

Author: dryajov

src/connection.js

@@ -7,8 +7,6 @@ const debug = require('debug')
 const log = debug('libp2p:swarm:connection')
 const setImmediate = require('async/setImmediate')
 
-const Circuit = require('libp2p-circuit')
-
 const protocolMuxer = require('./protocol-muxer')
 const plaintext = require('./plaintext')
 
@@ -94,18 +92,6 @@ module.exports = function connection (swarm) {
       })
     },
 
-    enableRelayDialing (config) {
-      config = config ||
-        {
-          circuit: {
-            enabled: false
-          }
-        }
-
-      swarm.relay = true
-      swarm.transport.add(Circuit.tag, new Circuit.Dialer(swarm, config))
-    },
-
     crypto (tag, encrypt) {
       if (!tag && !encrypt) {
         tag = plaintext.tag

src/dial.js

@@ -3,9 +3,6 @@
 const Connection = require('interface-connection').Connection
 const debug = require('debug')
 const log = debug('libp2p:swarm:dial')
-const setImmediate = require('async/setImmediate')
-
-const protocolMuxer = require('./protocol-muxer')
 
 module.exports = function dial (swarm) {
   return (pi, protocol, callback) => {