ENGCOM-3245: Remove Duplicate field #18756

 - Merge Pull Request #18756 from gy741/magento2:json_cleanup
 - Merged commits:
   1. 3ed1819

Author: magento-engcom-team

dev/tests/js/jasmine/assets/gallery/config.json

@@ -59,8 +59,7 @@
         "arrows": "false",
         "thumbwidth": "90",
         "thumbheight": "90",
-        "ratio": "1",
-        "allowfullscreen": true
+        "ratio": "1"
     },
     "fullscreen": {
         "nav": false