Remove deprecated features at React v15.5 (#1905)

* Remove deprecated features at React v15.5

- [x] React.PropTypes
- [x] react-addons-pure-render-mixin
- [x] react-addons-test-utils

* Uncommented out & Add browserify_rails options

* re-add react-addons-shallow

* Fix syntax error from resolve conflicts

* follow up 59a77923b368d48c590cd9f4a0c6b73ce972d33f

1 files changed, 6 insertions, 8 deletions

diff --git a/app/assets/javascripts/components/features/status/components/card.jsx b/app/assets/javascripts/components/features/status/components/card.jsx
index d016212fd..8feb3b350 100644
--- a/app/assets/javascripts/components/features/status/components/card.jsx
+++ b/app/assets/javascripts/components/features/status/components/card.jsx
@@ -1,4 +1,3 @@
-import PureRenderMixin from 'react-addons-pure-render-mixin';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 
 const contentStyle = {
@@ -28,12 +27,7 @@ const getHostname = url => {
   return parser.hostname;
 };
 
-const Card = React.createClass({
-  propTypes: {
-    card: ImmutablePropTypes.map
-  },
-
-  mixins: [PureRenderMixin],
+class Card extends React.PureComponent {
 
   render () {
     const { card } = this.props;
@@ -64,6 +58,10 @@ const Card = React.createClass({
       </a>
     );
   }
-});
+}
+
+Card.propTypes = {
+  card: ImmutablePropTypes.map
+};
 
 export default Card;