[twitter] disable 'cards' by default

docs/configuration.rst

@@ -2224,7 +2224,7 @@ extractor.twitter.cards
 Type
     ``bool`` or ``string``
 Default
-    ``true``
+    ``false``
 Description
     Controls how to handle `Twitter Cards <https://developer.twitter.com/en/docs/twitter-for-websites/cards/overview/abouts-cards>`__.
 

docs/gallery-dl.conf

@@ -271,7 +271,7 @@
         {
             "username": null,
             "password": null,
-            "cards": true,
+            "cards": false,
             "conversations": false,
             "pinned": false,
             "quoted": false,

gallery_dl/extractor/twitter.py

@@ -39,7 +39,7 @@ class TwitterExtractor(Extractor):
         self.pinned = self.config("pinned", False)
         self.quoted = self.config("quoted", False)
         self.videos = self.config("videos", True)
-        self.cards = self.config("cards", True)
+        self.cards = self.config("cards", False)
         self._user_cache = {}
         self._init_sizes()