Website: remove duplicate/unused form-data from the website's package-lock (#48908)

Changes:
- Removed the top-level `node-modules/form-data` dependency from the
website's package-lock.json.

website/package-lock.json

@@ -3355,22 +3355,6 @@
         "node": "*"
       }
     },
-    "node_modules/form-data": {
-      "version": "4.0.6",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.6.tgz",
-      "integrity": "sha512-vKatAh4SlVfgbv+YtmhiRjhEMJsYpsG1Y2rMQtR+SVSbytsSD1YGzDIcrAJmdFec88u/+VoGmxnl+80gL1tRCQ==",
-      "license": "MIT",
-      "dependencies": {
-        "asynckit": "^0.4.0",
-        "combined-stream": "^1.0.8",
-        "es-set-tostringtag": "^2.1.0",
-        "hasown": "^2.0.4",
-        "mime-types": "^2.1.35"
-      },
-      "engines": {
-        "node": ">= 6"
-      }
-    },
     "node_modules/formdata-polyfill": {
       "version": "4.0.10",
       "resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz",