[rutv] Refactor vgtrk/rutv extractor

youtube_dl/extractor/__init__.py

@@ -196,6 +196,7 @@ from .rutube import (
     RutubeMovieIE,
     RutubePersonIE,
 )
+from .rutv import RUTVIE
 from .savefrom import SaveFromIE
 from .servingsys import ServingSysIE
 from .sina import SinaIE
@@ -252,7 +253,6 @@ from .vbox7 import Vbox7IE
 from .veehd import VeeHDIE
 from .veoh import VeohIE
 from .vevo import VevoIE
-from .vgtrk import VGTRKIE
 from .vice import ViceIE
 from .viddler import ViddlerIE
 from .videobam import VideoBamIE