removed console

lib/src/adapters/NativeEventsReceiver.ts

-// tslint:disable:no-console
 import { NativeModules, NativeEventEmitter } from 'react-native';
 import { EventSubscription } from '../interfaces/EventSubscription';
 
     try {
       this.emitter = new NativeEventEmitter(NativeModules.RNNEventEmitter);
     } catch (e) {
-      console.log('Using mock NativeEventEmitter module');
       this.emitter = {
         addListener: () => {
           return {