Merge pull request #5732 from iamchenxin/en-docs

[docs] deleting some unecessary newline
(cherry picked from commit 9494ec80c2)

docs/docs/ref-01-top-level-api.md

@@ -66,9 +66,7 @@ factoryFunction createFactory(
 )
 ```
 
-Return a function that produces ReactElements of a given type. Like `React.createElement`,
-the type argument can be either an html tag name string (eg. 'div', 'span', etc), or a
-`ReactClass`.
+Return a function that produces ReactElements of a given type. Like `React.createElement`, the type argument can be either an html tag name string (eg. 'div', 'span', etc), or a `ReactClass`.
 
 
 ### React.isValidElement

docs/docs/ref-03-component-specs.md

@@ -163,8 +163,7 @@ boolean shouldComponentUpdate(
 
 Invoked before rendering when new props or state are being received. This method is not called for the initial render or when `forceUpdate` is used.
 
-Use this as an opportunity to `return false` when you're certain that the
-transition to the new props and state will not require a component update.
+Use this as an opportunity to `return false` when you're certain that the transition to the new props and state will not require a component update.
 
 ```javascript
 shouldComponentUpdate: function(nextProps, nextState) {

docs/docs/ref-05-events.md

@@ -61,8 +61,7 @@ function onClick(event) {
 
 ## Supported Events
 
-React normalizes events so that they have consistent properties across
-different browsers.
+React normalizes events so that they have consistent properties across different browsers.
 
 The event handlers below are triggered by an event in the bubbling phase. To register an event handler for the capture phase, append `Capture` to the event name; for example, instead of using `onClick`, you would use `onClickCapture` to handle the click event in the capture phase.