Check if a script requirement is available before install (#20517)

* Check if a script requirement is available before install

* PackageLoadable

* hound

* req

homeassistant/scripts/check_config.py

@@ -5,7 +5,6 @@ import logging
 import os
 from collections import OrderedDict, namedtuple
 from glob import glob
-from platform import system
 from typing import Dict, List, Sequence
 from unittest.mock import patch
 
@@ -22,8 +21,6 @@ from homeassistant.util import yaml
 from homeassistant.exceptions import HomeAssistantError
 
 REQUIREMENTS = ('colorlog==4.0.2',)
-if system() == 'Windows':  # Ensure colorama installed for colorlog on Windows
-    REQUIREMENTS += ('colorama<=1',)
 
 _LOGGER = logging.getLogger(__name__)
 # pylint: disable=protected-access