[change] Remove NetInfo

Ref #1352
Ref facebook/react-native#23313

Author: necolas

README.md

@@ -182,7 +182,6 @@ React Native v0.55
 | NativeEventEmitter       | ✓      |  |
 | NativeMethodsMixin       | ✓      |  |
 | NativeModules            | (✓)    | Mocked. Missing ability to load native modules. |
-| NetInfo                  | ✓      | Missing functionality to detect expensive connections as there are no equivalent web APIs. |
 | PanResponder             | ✓      |  |
 | PixelRatio               | ✓      |  |
 | Platform                 | ✓      |  |

packages/babel-plugin-react-native-web/src/moduleMap.js

@@ -30,7 +30,6 @@ module.exports = {
   Modal: true,
   NativeEventEmitter: true,
   NativeModules: true,
-  NetInfo: true,
   PanResponder: true,
   PermissionsAndroid: true,
   Picker: true,

packages/react-native-web/src/exports/NetInfo/__tests__/index-test.js

@@ -24,7 +24,6 @@ import InteractionManager from './exports/InteractionManager';
 import LayoutAnimation from './exports/LayoutAnimation';
 import Linking from './exports/Linking';
 import NativeEventEmitter from './exports/NativeEventEmitter';
-import NetInfo from './exports/NetInfo';
 import PanResponder from './exports/PanResponder';
 import PixelRatio from './exports/PixelRatio';
 import Platform from './exports/Platform';
@@ -123,7 +122,6 @@ export {
   LayoutAnimation,
   Linking,
   NativeEventEmitter,
-  NetInfo,
   PanResponder,
   PixelRatio,
   Platform,