Remove deprecation warnings in http module

lib/http.js

@@ -202,17 +202,6 @@ IncomingMessage.prototype._parseQueryString = function () {
   throw new Error("_parseQueryString is deprecated. Use require(\"querystring\") to parse query strings.\n");
 };
 
-var setBodyEncodingWarning;
-
-IncomingMessage.prototype.setBodyEncoding = function (enc) {
-  // deprecation message
-  if (!setBodyEncodingWarning) {
-    setBodyEncodingWarning = "setBodyEncoding has been renamed to setEncoding, please update your code.";
-    sys.error(setBodyEncodingWarning);
-  }
-
-  this.setEncoding(enc);
-};
 
 IncomingMessage.prototype.setEncoding = function (encoding) {
   var StringDecoder = require("string_decoder").StringDecoder; // lazy load
@@ -518,20 +507,6 @@ OutgoingMessage.prototype.addTrailers = function (headers) {
 };
 
 
-OutgoingMessage.prototype.finish = function () {
-  throw new Error("finish() has been renamed to close().");
-};
-
-var closeWarning;
-
-OutgoingMessage.prototype.close = function (data, encoding) {
-  if (!closeWarning) {
-    closeWarning = "OutgoingMessage.prototype.close has been renamed to end()";
-    sys.error(closeWarning);
-  }
-  return this.end(data, encoding);
-};
-
 OutgoingMessage.prototype.end = function (data, encoding) {
   var ret;
 
@@ -639,20 +614,8 @@ ServerResponse.prototype.writeHead = function (statusCode) {
   this._storeHeader(statusLine, headers);
 };
 
-// TODO Eventually remove
-var sendHeaderWarning, writeHeaderWarning;
-ServerResponse.prototype.sendHeader = function () {
-  if (!sendHeaderWarning) {
-    sendHeaderWarning = "sendHeader() has been renamed to writeHead()";
-    sys.error(sendHeaderWarning);
-  }
-  this.writeHead.apply(this, arguments);
-};
+
 ServerResponse.prototype.writeHeader = function () {
-  if (!writeHeaderWarning) {
-    writeHeaderWarning = "writeHeader() has been renamed to writeHead()";
-    sys.error(writeHeaderWarning);
-  }
   this.writeHead.apply(this, arguments);
 };
 
@@ -680,20 +643,6 @@ ClientRequest.prototype.finish = function () {
                  );
 };
 
-var clientRequestCloseWarning;
-
-ClientRequest.prototype.close = function () {
-  if (!clientRequestCloseWarning) {
-    clientRequestCloseWarning = "Warning: ClientRequest.prototype.close has been renamed to end()";
-    sys.error(clientRequestCloseWarning);
-  }
-  if (typeof arguments[0] == "function") {
-    throw new Error( "ClientRequest.prototype.end does not take a callback. "
-                   + "Add a 'response' listener manually to the request object."
-                   );
-  }
-  return this.end();
-};
 
 ClientRequest.prototype.end = function () {
   if (typeof arguments[0] == "function") {