Lint and updated stylesheet unit tests

javascript/components/AbstractLayer.js

@@ -1,3 +1,4 @@
+/* eslint react/prop-types:0  */
 import React from 'react';
 import MapboxStyleSheet from '../utils/MapboxStyleSheet';
 

javascript/components/Light.js

@@ -1,11 +1,9 @@
 import React from 'react';
-import { NativeModules, requireNativeComponent } from 'react-native';
+import { requireNativeComponent } from 'react-native';
 
 import { LightLayerStyleProp } from '../utils/styleMap';
 import AbstractLayer from './AbstractLayer';
 
-const MapboxGL = NativeModules.MGLModule;
-
 export const NATIVE_MODULE_NAME = 'RCTMGLLight';
 
 const RCTMGLLight = requireNativeComponent(NATIVE_MODULE_NAME, Light);