Apply suggestion from @hamishwillee

Author: hamishwillee

http/headers/Cross-Origin-Opener-Policy.json

@@ -79,14 +79,8 @@
               "chrome_android": "mirror",
               "edge": "mirror",
               "firefox": {
-                "version_added": "130",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "dom.reporting.enabled",
-                    "value_to_set": "true"
-                  }
-                ]
+                "version_added": false,
+                "impl_url": "https://bugzil.la/1652926"
               },
               "firefox_android": {
                 "version_added": false