Don't pass in loop (#23984)

* Don't pass in loop

* Revert some changes

* Lint + Axis revert

* reinstate loop

* Fix a test

* Set loop

* Update camera.py

* Lint

tests/helpers/test_entity_platform.py

@@ -209,7 +209,7 @@ async def test_platform_error_slow_setup(hass, caplog):
 
         async def setup_platform(*args):
             called.append(1)
-            await asyncio.sleep(1, loop=hass.loop)
+            await asyncio.sleep(1)
 
         platform = MockPlatform(async_setup_platform=setup_platform)
         component = EntityComponent(_LOGGER, DOMAIN, hass)