🔥 Remove/clean extra imports from examples in docs for features (#3709)

docs/en/docs/features.md

@@ -32,7 +32,6 @@ If you need a 2 minute refresher of how to use Python types (even if you don't u
 You write standard Python with types:
 
 ```Python
-from typing import List, Dict
 from datetime import date
 
 from pydantic import BaseModel

docs/es/docs/features.md

@@ -32,7 +32,6 @@ Si necesitas un repaso de 2 minutos de cómo usar los tipos de Python (así no u
 Escribes Python estándar con tipos así:
 
 ```Python
-from typing import List, Dict
 from datetime import date
 
 from pydantic import BaseModel

docs/fr/docs/features.md

@@ -32,7 +32,6 @@ Si vous souhaitez un rappel de 2 minutes sur l'utilisation des types en Python (
 Vous écrivez du python standard avec des annotations de types:
 
 ```Python
-from typing import List, Dict
 from datetime import date
 
 from pydantic import BaseModel

docs/ja/docs/features.md

@@ -31,7 +31,6 @@ FastAPIの機能はすべて、標準のPython 3.6型宣言に基づいていま
 型を使用した標準的なPythonを記述します:
 
 ```Python
-from typing import List, Dict
 from datetime import date
 
 from pydantic import BaseModel

docs/pt/docs/features.md

@@ -32,7 +32,6 @@ Se você precisa refrescar a memória rapidamente sobre como usar tipos do Pytho
 Você escreve Python padrão com tipos:
 
 ```Python
-from typing import List, Dict
 from datetime import date
 
 from pydantic import BaseModel

docs/zh/docs/features.md

@@ -33,7 +33,6 @@
 编写带有类型标注的标准 Python：
 
 ```Python
-from typing import List, Dict
 from datetime import date
 
 from pydantic import BaseModel