disable Web API logs

src/polyfill/Blob.js

 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

 
 const log = new Log('EventTarget')
 
+log.disable()
+
 export default class EventTarget {
 
   listeners : any;

src/polyfill/XMLHttpRequest.js

 
 const log = new Log('XMLHttpRequest')
 
-log.level(3)
+log.disable()
 
 const UNSENT = 0
 const OPENED = 1