react: Remove extra ending bracket (rstacruz#972)

METACEO · web-flow · commit 18ebcc9b2e28 · 2020-07-05T21:07:19.000+10:00
diff --git a/react.md b/react.md
@@ -215,8 +215,7 @@ And without constructor using [Babel](https://babeljs.io/) with [proposal-class-
 
 ```jsx
 class Hello extends Component {
-    state = { visible: true }
-  }
+  state = { visible: true }
 }
 ```
 {: data-line="2"}

Original file line number	Diff line number	Diff line change
`@@ -215,8 +215,7 @@ And without constructor using [Babel](https://babeljs.io/) with [proposal-class-`
`215`	`215`
`216`	`216`	```jsx
`217`	`217`	`class Hello extends Component {`
`218`		`- state = { visible: true }`
`219`		`- }`
	`218`	`+ state = { visible: true }`
`220`	`219`	`}`
`221`	`220`	```
`222`	`221`	`{: data-line="2"}`