Remove MkDocs

docs2/dispatcher/class_based_handlers/error.rst

@@ -1,32 +0,0 @@
-============
-ErrorHandler
-============
-
-There is base class for error handlers.
-
-Simple usage
-============
-
-
-.. code-block:: python
-
-    from aiogram.handlers import ErrorHandler
-
-    ...
-
-    @router.errors()
-    class MyHandler(ErrorHandler):
-        async def handle(self) -> Any:
-            log.exception(
-                "Cause unexpected exception %s: %s",
-                self.exception_name,
-                self.exception_message
-            )
-
-Extension
-=========
-
-This base handler is subclass of :ref:`BaseHandler <cbh-base-handler>` with some extensions:
-
-- :code:`self.exception_name` is alias for :code:`self.event.__class__.__name__`
-- :code:`self.exception_message` is alias for :code:`str(self.event)`