🏗️ change code structure

nonebot/adapters/_bot.py

@@ -55,16 +55,6 @@ class Bot(abc.ABC):
     def __getattr__(self, name: str) -> _ApiCall:
         return partial(self.call_api, name)
 
-    @classmethod
-    def __get_validators__(cls):
-        yield cls.validate
-
-    @classmethod
-    def validate(cls, v):
-        if not isinstance(v, cls):
-            raise TypeError(f"{v} is not an instance of {cls}")
-        return v
-
     @property
     @abc.abstractmethod
     def type(self) -> str: