[skip travis] renaming

to avoid using same folder when using pip install for example

youtube_dl/extractor/stretchinternet.py

@@ -1,32 +0,0 @@
-from __future__ import unicode_literals
-
-from .common import InfoExtractor
-from ..utils import int_or_none
-
-
-class StretchInternetIE(InfoExtractor):
-    _VALID_URL = r'https?://portal\.stretchinternet\.com/[^/]+/(?:portal|full)\.htm\?.*?\beventId=(?P<id>\d+)'
-    _TEST = {
-        'url': 'https://portal.stretchinternet.com/umary/portal.htm?eventId=573272&streamType=video',
-        'info_dict': {
-            'id': '573272',
-            'ext': 'mp4',
-            'title': 'University of Mary Wrestling vs. Upper Iowa',
-            'timestamp': 1575668361,
-            'upload_date': '20191206',
-        }
-    }
-
-    def _real_extract(self, url):
-        video_id = self._match_id(url)
-
-        event = self._download_json(
-            'https://api.stretchinternet.com/trinity/event/tcg/' + video_id,
-            video_id)[0]
-
-        return {
-            'id': video_id,
-            'title': event['title'],
-            'timestamp': int_or_none(event.get('dateCreated'), 1000),
-            'url': 'https://' + event['media'][0]['url'],
-        }