no-context: remove es6 destructuring from docs

Author: zachguo

docs/rules/no-context.md

@@ -11,27 +11,21 @@ class Button extends React.Component {
   render() {
     return (
       <button style={{background: this.context.color}}>
-        {this.props.text}
+        {this.props.children}
       </button>
     );
   }
 }
-Button.propTypes = {
-  text: React.PropTypes.string
-};
 Button.contextTypes = {
   color: React.PropTypes.string
 };
 ```
 
 ```jsx
-const Button = ({text}, context) =>
+const Button = (props, context) =>
   <button style={{background: context.color}}>
-    {text}
+    {props.children}
   </button>;
-Button.propTypes = {
-  text: React.PropTypes.string
-};
 Button.contextTypes = {
   color: React.PropTypes.string
 };
@@ -44,24 +38,22 @@ class Button extends React.Component {
   render() {
     return (
       <button style={{background: this.props.color}}>
-        {this.props.text}
+        {this.props.children}
       </button>
     );
   }
 }
 Button.propTypes = {
-  text: React.PropTypes.string,
   color: React.PropTypes.string
 };
 ```
 
 ```jsx
-const Button = ({text, color}) =>
-  <button style={{background: color}}>
-    {text}
+const Button = (props) =>
+  <button style={{background: props.color}}>
+    {props.children}
   </button>;
 Button.propTypes = {
-  text: React.PropTypes.string,
   color: React.PropTypes.string
 };
 ```