Remove device_state_attributes property from entity base class (home-assistant#105650)

Author: emontnemery

homeassistant/helpers/entity.py

@@ -540,15 +540,6 @@ def state_attributes(self) -> dict[str, Any] | None:
         """
         return None
 
-    @property
-    def device_state_attributes(self) -> Mapping[str, Any] | None:
-        """Return entity specific state attributes.
-
-        This method is deprecated, platform classes should implement
-        extra_state_attributes instead.
-        """
-        return None
-
     @property
     def extra_state_attributes(self) -> Mapping[str, Any] | None:
         """Return entity specific state attributes.

pylint/plugins/hass_enforce_type_hints.py

@@ -587,10 +587,6 @@ class ClassTypeHintMatch:
         function_name="state_attributes",
         return_type=["dict[str, Any]", None],
     ),
-    TypeHintMatch(
-        function_name="device_state_attributes",
-        return_type=["Mapping[str, Any]", None],
-    ),
     TypeHintMatch(
         function_name="extra_state_attributes",
         return_type=["Mapping[str, Any]", None],