doc: [API] remove duplicate props (#5456)

Author: buqiyuan

components/input-number/index.en-US.md

@@ -20,7 +20,6 @@ When a numeric value needs to be provided.
 | autofocus | get focus when component mounted | boolean | false |  |
 | bordered | Whether has border style | boolean | true | 3.0 |
 | controls | Whether to show `+-` controls | boolean | true | 3.0 |
-| controls | Whether to show `+-` controls | boolean | true | 3.0 |
 | decimalSeparator | decimal separator | string | - |  |
 | defaultValue | initial value | number |  |  |
 | disabled | disable the input | boolean | false |  |

components/input-number/index.zh-CN.md

@@ -23,7 +23,6 @@ cover: https://gw.alipayobjects.com/zos/alicdn/XOS8qZ0kU/InputNumber.svg
 | autofocus | 自动获取焦点 | boolean | false |  |
 | bordered | 是否有边框 | boolean | true | 3.0 |
 | controls | 是否显示增减按钮 | boolean | true | 3.0 |
-| controls | 是否显示增减按钮 | boolean | true | 3.0 |
 | decimalSeparator | 小数点 | string | - |  |
 | defaultValue | 初始值 | number |  |  |
 | disabled | 禁用 | boolean | false |  |