remove console logs

lib/contracts/contracts.js

@@ -28,7 +28,6 @@ class ContractsManager {
 
     const self = this;
     self.events.setCommandHandler('contracts:list', (cb) => {
-      console.dir('received request');
       cb(self.listContracts());
     });
   }

lib/pipeline/pipeline.js

@@ -3,7 +3,6 @@ const async = require('async');
 const child_process = require('child_process');
 const utils = require('../utils/utils.js');
 const constants = require('../constants');
-//require("../utils/debug_util.js")(__filename, async);
 
 require("babel-preset-react");
 require("babel-preset-es2015");