Use twitter safe relay

src/lib/twitter-client-constants.ts

@@ -6,10 +6,6 @@ export const TWITTER_GRAPHQL_POST_URL = 'https://x.com/i/api/graphql';
 export const TWITTER_UPLOAD_URL = 'https://upload.twitter.com/i/media/upload.json';
 export const TWITTER_MEDIA_METADATA_URL = 'https://x.com/i/api/1.1/media/metadata/create.json';
 export const TWITTER_STATUS_UPDATE_URL = 'https://x.com/i/api/1.1/statuses/update.json';
-export const SETTINGS_SCREEN_NAME_REGEX = /"screen_name":"([^"]+)"/;
-export const SETTINGS_USER_ID_REGEX = /"user_id"\s*:\s*"(\d+)"/;
-export const SETTINGS_NAME_REGEX = /"name":"([^"\\]*(?:\\.[^"\\]*)*)"/;
-
 // Query IDs rotate frequently; the values in query-ids.json are refreshed by
 // scripts/update-query-ids.ts. The fallback values keep the client usable if
 // the file is missing or incomplete.