Cleanup and organize utils (#7033)

* Force birdseye cameras into standard aspect ratios

* Organize utils

* Update tests

* Formatting

* Isort

* Fix tests

* Cleanup

* isort

frigate/ffmpeg_presets.py

@@ -5,7 +5,7 @@ import os
 from enum import Enum
 from typing import Any
 
-from frigate.util import vainfo_hwaccel
+from frigate.util.services import vainfo_hwaccel
 from frigate.version import VERSION
 
 logger = logging.getLogger(__name__)