💬 input component blank spaces remove

components/input/demo/autosize-textarea.md

@@ -14,7 +14,6 @@ title:
 `autosize` prop for a `textarea` type of `Input` makes the height to automatically adjust based on the content.
 An options object can be provided to `autosize` to specify the minimum and maximum number of lines the textarea will automatically adjust.
 
-
 ````jsx
 import { Input } from 'antd';
 

components/input/demo/size.md

@@ -9,12 +9,10 @@ title:
 
 我们为 `<Input />` 输入框定义了三种尺寸（大、默认、小），高度分别为 `40px`、`32px` 和 `24px`。
 
-
 ## en-US
 
 There are three sizes of an Input box: `large` (40px)、`default` (32px) and `small` (24px).
 
-
 ````jsx
 import { Input } from 'antd';