fix tpv error in last commit

sails/src/api/controllers/TPVController.js

@@ -34,7 +34,7 @@ function encodeMerchantParams(object) {
 
 function decodeMerchantParams(string) {
   // Base64 encoding of parameters
-  var merchantWordArray = decodeURI(cryptojs.enc.Base64.parse(string));
+  var merchantWordArray = cryptojs.enc.Base64.parse(string);
   return JSON.parse(decodeURIComponent(merchantWordArray.toString(cryptojs.enc.Utf8)));
 }