[change] Remove ImageStore

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

README.md

@@ -176,7 +176,6 @@ React Native v0.55
 | EdgeInsetsPropType       | ✓      |  |
 | Geolocation              | ✓      |  |
 | I18nManager              | ✓      | Includes additional support for runtime switch to RTL. |
-| ImageStore               | ✘      | No equivalent web APIs. |
 | InteractionManager       | (✓)    |  |
 | Keyboard                 | (✓)    | Mock. |
 | LayoutAnimation          | (✓)    | Missing translation to web animations. |

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

@@ -21,7 +21,6 @@ module.exports = {
   I18nManager: true,
   Image: true,
   ImageBackground: true,
-  ImageStore: true,
   InputAccessoryView: true,
   InteractionManager: true,
   Keyboard: true,

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

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

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

@@ -72,7 +72,6 @@ import PointPropType from './exports/PointPropType';
 
 // compat (components)
 import DrawerLayoutAndroid from './exports/DrawerLayoutAndroid';
-import ImageStore from './exports/ImageStore';
 import InputAccessoryView from './exports/InputAccessoryView';
 import MaskedViewIOS from './exports/MaskedViewIOS';
 import NavigatorIOS from './exports/NavigatorIOS';
@@ -172,7 +171,6 @@ export {
   PointPropType,
   // compat (components)
   DrawerLayoutAndroid,
-  ImageStore,
   InputAccessoryView,
   MaskedViewIOS,
   NavigatorIOS,