remove log

lib/test.js

@@ -6,7 +6,6 @@ var sync = require('sync-me');
 var grunt = require('grunt');
 
 py_exec = function(cmd) {
-  console.log("python: " + cmd);
   return sync(python, cmd)[1].trim();
 }
 
@@ -50,7 +49,6 @@ TestContractWrapper = (function() {
     }
 
     data = py_exec(this.className + "_contract." + method + "(" + arg_list.join(",") + ")");
-    console.log("res: " + data);
     return data;
   };