feat: remove unnecessary llms.txt redirects

Author: Gumball12

public/_redirects

@@ -8,11 +8,5 @@ https://ko.vitejs.dev/* https://ko.vite.dev/:splat 301!
 /guide/comparisons /guide/why#how-vite-relates-to-other-unbundled-build-tools 301
 /guide/comparisons.html /guide/why#how-vite-relates-to-other-unbundled-build-tools 301
 
-# llms.txt
-/*.txt           /:splat.md 301
-/llms.md         /llms.txt 301
-/llms.txt        /llms.txt 200!
-/llms-full.txt   /llms-full.txt 200!
-
 # short links
 /rolldown /guide/rolldown 301