Revert "Add service entity context (#71558)" (#72610)

homeassistant/helpers/service.py

@@ -3,7 +3,6 @@ from __future__ import annotations
 
 import asyncio
 from collections.abc import Awaitable, Callable, Iterable
-from contextvars import ContextVar
 import dataclasses
 from functools import partial, wraps
 import logging
@@ -64,15 +63,6 @@ _LOGGER = logging.getLogger(__name__)
 SERVICE_DESCRIPTION_CACHE = "service_description_cache"
 
 
-_current_entity: ContextVar[str | None] = ContextVar("current_entity", default=None)
-
-
-@callback
-def async_get_current_entity() -> str | None:
-    """Get the current entity on which the service is called."""
-    return _current_entity.get()
-
-
 class ServiceParams(TypedDict):
     """Type for service call parameters."""
 
@@ -716,7 +706,6 @@ async def _handle_entity_call(
 ) -> None:
     """Handle calling service method."""
     entity.async_set_context(context)
-    _current_entity.set(entity.entity_id)
 
     if isinstance(func, str):
         result = hass.async_run_job(partial(getattr(entity, func), **data))  # type: ignore[arg-type]