[rtvnh] Renamed rtvnhnl -> rtvnh

youtube_dl/extractor/__init__.py

@@ -491,7 +491,7 @@ from .rtl2 import RTL2IE
 from .rtp import RTPIE
 from .rts import RTSIE
 from .rtve import RTVEALaCartaIE, RTVELiveIE, RTVEInfantilIE
-from .rtvnhnl import RtvnhNlIE
+from .rtvnh import RTVNHIE
 from .ruhd import RUHDIE
 from .rutube import (
     RutubeIE,