fix: fix test

Author: xsahil03x

packages/stream_chat/test/fixtures/message_to_json.json

@@ -10,7 +10,6 @@
       "title": "The Lion King Disney GIF - Find & Share on GIPHY",
       "thumb_url": "https://media.giphy.com/media/5zvN79uTGfLMOVfQaA/giphy.gif",
       "text": "Discover & share this Lion King Live Action GIF with everyone you know. GIPHY is how you search, share, discover, and create GIFs.",
-      "og_scrape_url": "https://giphy.com/gifs/the-lion-king-live-action-5zvN79uTGfLMOVfQaA",
       "image_url": "https://media.giphy.com/media/5zvN79uTGfLMOVfQaA/giphy.gif",
       "author_name": "GIPHY",
       "asset_url": "https://media.giphy.com/media/5zvN79uTGfLMOVfQaA/giphy.mp4",

packages/stream_chat/test/src/core/models/message_test.dart

@@ -51,8 +51,6 @@ void main() {
                 'https://media.giphy.com/media/5zvN79uTGfLMOVfQaA/giphy.gif',
             'asset_url':
                 'https://media.giphy.com/media/5zvN79uTGfLMOVfQaA/giphy.mp4',
-            'og_scrape_url':
-                'https://giphy.com/gifs/the-lion-king-live-action-5zvN79uTGfLMOVfQaA'
           })
         ],
         showInChannel: true,