Removes i18next and next-i18n packages

Author: acouch

frontend/package-lock.json

@@ -28,15 +28,12 @@
     "@opentelemetry/api": "^1.8.0",
     "@trussworks/react-uswds": "^7.0.0",
     "@uswds/uswds": "^3.6.0",
-    "i18next": "^23.0.0",
     "js-cookie": "^3.0.5",
     "lodash": "^4.17.21",
     "next": "^14.1.4",
-    "next-i18next": "^15.0.0",
     "next-intl": "^3.2.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "react-i18next": "^14.0.0",
     "server-only": "^0.0.1",
     "sharp": "^0.33.0",
     "use-debounce": "^10.0.0"