fix retry 10 times, remove req.pendingCB, just use callback()
fix retry 10 times, remove req.pendingCB, just use callback()

lambdacloud/lambda-util.js,sky4star/lambda-util.js,sunyonggang/lambda-util.js,phexus/lambda-util.js,sunyonggang/lambda-util.js,phexus/lambda-util.js,lambdacloud/lambda-util.js