Add support for async_remove_config_entry_device to homekit_controller (#72630)

tests/components/homekit_controller/common.py

@@ -372,3 +372,17 @@ async def assert_devices_and_entities_created(
 
     # Root device must not have a via, otherwise its not the device
     assert root_device.via_device_id is None
+
+
+async def remove_device(ws_client, device_id, config_entry_id):
+    """Remove config entry from a device."""
+    await ws_client.send_json(
+        {
+            "id": 5,
+            "type": "config/device_registry/remove_config_entry",
+            "config_entry_id": config_entry_id,
+            "device_id": device_id,
+        }
+    )
+    response = await ws_client.receive_json()
+    return response["success"]