fix: 更新可以加入签名的headers (#163)

Author: livehigh

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cos-nodejs-sdk-v5",
-  "version": "2.11.18",
+  "version": "2.11.19",
   "description": "cos nodejs sdk v5",
   "main": "index.js",
   "types": "index.d.ts",

sdk/util.js

@@ -52,8 +52,7 @@ var obj2str = function (obj, lowerCaseKey) {
 // 可以签入签名的headers
 var signHeaders = ['content-disposition', 'content-encoding', 'content-length', 'content-md5',
     'expect', 'expires', 'host', 'if-match', 'if-modified-since', 'if-none-match', 'if-unmodified-since',
-    'origin', 'range', 'response-cache-control', 'response-content-disposition', 'response-content-encoding',
-    'response-content-language', 'response-content-type', 'response-expires', 'transfer-encoding', 'versionid'];
+    'origin', 'range', 'transfer-encoding'];
 
 var getSignHeaderObj = function (headers) {
     var signHeaderObj = {};