[redbulltv] Remove unused imports

youtube_dl/extractor/redbulltv.py

@@ -4,14 +4,12 @@ from __future__ import unicode_literals
 from .common import InfoExtractor
 from ..compat import compat_str
 from ..utils import (
-    RegexNotFoundError,
     ExtractorError,
     try_get,
     float_or_none,
     unified_strdate,
 )
 import json
-import time
 
 
 class RedBullTVIE(InfoExtractor):