[extractor/__init__] Fix alphabetic order

youtube_dl/extractor/__init__.py

@@ -655,9 +655,9 @@ from .xhamster import XHamsterIE
 from .xminus import XMinusIE
 from .xnxx import XNXXIE
 from .xstream import XstreamIE
-from .xvideos import XVideosIE
 from .xtube import XTubeUserIE, XTubeIE
 from .xuite import XuiteIE
+from .xvideos import XVideosIE
 from .xxxymovies import XXXYMoviesIE
 from .yahoo import (
     YahooIE,