[cleanup] Remove extractors for some dead websites (#2739)

90tv.ir, HornBunny.com, 220.ro, 5min.com, Kankan.com, Roxwel.com,
FreshLive.tv, TheScene.com, Vube.com

Authored by: marieell

yt_dlp/extractor/engadget.py

@@ -7,16 +7,6 @@ class EngadgetIE(InfoExtractor):
     _VALID_URL = r'https?://(?:www\.)?engadget\.com/video/(?P<id>[^/?#]+)'
 
     _TESTS = [{
-        # video with 5min ID
-        'url': 'http://www.engadget.com/video/518153925/',
-        'md5': 'c6820d4828a5064447a4d9fc73f312c9',
-        'info_dict': {
-            'id': '518153925',
-            'ext': 'mp4',
-            'title': 'Samsung Galaxy Tab Pro 8.4 Review',
-        },
-        'add_ie': ['FiveMin'],
-    }, {
         # video with vidible ID
         'url': 'https://www.engadget.com/video/57a28462134aa15a39f0421a/',
         'only_matching': True,