disable Web API logs

src/polyfill/Blob.js

@@ -11,7 +11,7 @@ import EventTarget from './EventTarget'
 const log = new Log('Blob')
 const blobCacheDir = fs.dirs.DocumentDir + '/RNFetchBlob-blobs/'
 
-log.level(3)
+log.disable()
 
 /**
  * A RNFetchBlob style Blob polyfill class, this is a Blob which compatible to

src/polyfill/EventTarget.js

@@ -6,6 +6,8 @@ import Log from '../utils/log.js'
 
 const log = new Log('EventTarget')
 
+log.disable()
+
 export default class EventTarget {
 
   listeners : any;

src/polyfill/XMLHttpRequest.js

@@ -10,7 +10,7 @@ import ProgressEvent from './ProgressEvent.js'
 
 const log = new Log('XMLHttpRequest')
 
-log.level(3)
+log.disable()
 
 const UNSENT = 0
 const OPENED = 1