[zoom] rename extractor from zoomus

youtube_dlc/extractor/extractors.py

@@ -1544,5 +1544,5 @@ from .zattoo import (
 )
 from .zdf import ZDFIE, ZDFChannelIE
 from .zingmp3 import ZingMp3IE
-from .zoomus import ZoomUSIE
+from .zoom import ZoomIE
 from .zype import ZypeIE

youtube_dlc/extractor/zoom.py

@@ -11,8 +11,8 @@ from ..utils import (
 )
 
 
-class ZoomUSIE(InfoExtractor):
-    IE_NAME = 'zoom.us'
+class ZoomIE(InfoExtractor):
+    IE_NAME = 'zoom'
     _VALID_URL = r'https://(?:.*).?zoom.us/rec(?:ording)?/play/(?P<id>[A-Za-z0-9\-_]+)'
 
     _TEST = {