chore(data): remove About link from LLMs index

src/data/llms.ts

@@ -80,7 +80,6 @@ export async function buildLlmsIndex(): Promise<string> {
 		"",
 		"## Optional",
 		"",
-		`- [About](${absUrl("/about/")}): Bio, education, standards work`,
 		`- [Full content](${absUrl("/llms-full.txt")}): Every page's full text in one file`,
 		`- [RSS feed](${absUrl("/rss.xml")})`,
 		"",