Remove unused util module in conversation (#141293)

Author: arturpragacz

homeassistant/components/conversation/__init__.py

@@ -4,7 +4,6 @@
 
 from collections.abc import Callable
 import logging
-import re
 from typing import Literal
 
 from hassil.recognize import RecognizeResult
@@ -91,8 +90,6 @@
 
 _LOGGER = logging.getLogger(__name__)
 
-REGEX_TYPE = type(re.compile(""))
-
 SERVICE_PROCESS_SCHEMA = vol.Schema(
     {
         vol.Required(ATTR_TEXT): cv.string,