Revert "docs: fix 404"

This reverts commit 1f0fbd4dcf.

site/theme/template/Layout/index.tsx

@@ -32,10 +32,6 @@ if (typeof window !== 'undefined') {
     location.href = location.href.replace('next.ant.design', 'ant.design');
   }
 
-  if (!location.pathname.endsWith('/')) {
-    location.pathname += '/';
-  }
-
   // eslint-disable-next-line global-require
   require('../../static/style');