[change] Remove DatePickerAndroid and DatePickerIOS

Ref #1352
Ref https://github.com/facebook/react-native/issues/23313

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

@@ -11,8 +11,6 @@ module.exports = {
   CheckBox: true,
   Clipboard: true,
   ColorPropType: true,
-  DatePickerAndroid: true,
-  DatePickerIOS: true,
   DeviceEventEmitter: true,
   DeviceInfo: true,
   Dimensions: true,

packages/react-native-web/src/exports/DatePickerAndroid/index.js

@@ -1 +0,0 @@
-export default {};

packages/react-native-web/src/exports/DatePickerIOS/index.js

@@ -1,2 +0,0 @@
-import UnimplementedView from '../../modules/UnimplementedView';
-export default UnimplementedView;

packages/react-native-web/src/index.js

@@ -71,7 +71,6 @@ import EdgeInsetsPropType from './exports/EdgeInsetsPropType';
 import PointPropType from './exports/PointPropType';
 
 // compat (components)
-import DatePickerIOS from './exports/DatePickerIOS';
 import DrawerLayoutAndroid from './exports/DrawerLayoutAndroid';
 import ImageEditor from './exports/ImageEditor';
 import ImageStore from './exports/ImageStore';
@@ -89,7 +88,6 @@ import ToolbarAndroid from './exports/ToolbarAndroid';
 import ViewPagerAndroid from './exports/ViewPagerAndroid';
 import WebView from './exports/WebView';
 // compat (apis)
-import DatePickerAndroid from './exports/DatePickerAndroid';
 import ImagePickerIOS from './exports/ImagePickerIOS';
 import PermissionsAndroid from './exports/PermissionsAndroid';
 import PushNotificationIOS from './exports/PushNotificationIOS';
@@ -175,7 +173,6 @@ export {
   EdgeInsetsPropType,
   PointPropType,
   // compat (components)
-  DatePickerIOS,
   DrawerLayoutAndroid,
   ImageEditor,
   ImageStore,
@@ -193,7 +190,6 @@ export {
   ViewPagerAndroid,
   WebView,
   // compat (apis)
-  DatePickerAndroid,
   ImagePickerIOS,
   PermissionsAndroid,
   PushNotificationIOS,