📝 update api docs

docs/api/plugin.md

@@ -25,38 +25,6 @@ sidebarDepth: 0
 
 
 
-## _class_ `Export`
-
-基类：`dict`
-
-
-* **说明**
-
-    插件导出内容以使得其他插件可以获得。
-
-
-
-* **示例**
-
-
-```python
-nonebot.export().default = "bar"
-
-@nonebot.export()
-def some_function():
-    pass
-
-# this doesn't work before python 3.9
-# use
-# export = nonebot.export(); @export.sub
-# instead
-# See also PEP-614: https://www.python.org/dev/peps/pep-0614/
-@nonebot.export().sub
-def something_else():
-    pass
-```
-
-
 ## _class_ `Plugin`
 
 基类：`object`
@@ -1442,22 +1410,6 @@ def something_else():
 
 
 
-## `export()`
-
-
-* **说明**
-
-    获取插件的导出内容对象
-
-
-
-* **返回**
-
-    
-    * `Export`
-
-
-
 ## `require(name)`