[fix] remove duplicate

lib/http-proxy/passes/ws-incoming.js

@@ -41,24 +41,6 @@ var passes = exports;
     }
   },
 
-  /**
-   * Set the proper configuration for sockets,
-   * set no delay and set keep alive, also set
-   * the timeout to 0.
-   *
-   * @param {ClientRequest} Req Request object
-   * @param {Socket} Websocket
-   *
-   * @api private
-   */
-
-  function setupSocket(req, socket) {
-    socket.setTimeout(0);
-    socket.setNoDelay(true);
-
-    socket.setKeepAlive(true, 0);
-  },
-
   /**
    * Sets `x-forwarded-*` headers if specified in config.
    *

test/lib-http-proxy-passes-ws-incoming-test.js

@@ -76,35 +76,6 @@ describe('lib/http-proxy/passes/ws-incoming.js', function () {
     })
   });
 
-  describe('#setupSocket', function () {
-    it('Set the correct config to the socket', function () {
-      var stubSocket = {
-        setTimeout: function (num) {
-          // Simulate Socket.setTimeout()
-          socketConfig.timeout = num;
-        },
-        setNoDelay: function (bol) {
-          // Simulate Socket.setNoDelay()
-          socketConfig.nodelay = bol;
-        },
-        setKeepAlive: function (bol) {
-          // Simulate Socket.setKeepAlive()
-          socketConfig.keepalive = bol;
-        }
-      },
-      socketConfig = {
-        timeout: null,
-        nodelay: false,
-        keepalive: false
-      },
-      returnValue = httpProxy.setupSocket({}, stubSocket);
-      expect(returnValue).to.be(undefined);
-      expect(socketConfig.timeout).to.eql(0);
-      expect(socketConfig.nodelay).to.eql(true);
-      expect(socketConfig.keepalive).to.eql(true);
-    });
-  });
-
   describe('#XHeaders', function () {
     it('return if no forward request', function () {
       var returnValue = httpProxy.XHeaders({}, {}, {});