Replace lande with native language detection (#9974)

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-authored-by: DS Boyce <260543580+ds-boyce@users.noreply.github.com>
Co-authored-by: Eric Bailey <git@esb.lol>

package.json

@@ -82,9 +82,11 @@
   },
   "dependencies": {
     "@atproto/api": "^0.19.10",
+    "@atproto/syntax": "0.5.2",
     "@bitdrift/react-native": "^0.6.8",
     "@braintree/sanitize-url": "^6.0.2",
     "@bsky.app/alf": "^0.1.7",
+    "@bsky.app/expo-guess-language": "^0.2.8",
     "@bsky.app/expo-image-crop-tool": "^0.5.0",
     "@bsky.app/expo-scroll-edge-effect": "^0.1.4",
     "@bsky.app/expo-translate-text": "^0.2.9",