fix: abandon built-in styles

The default inherited styles are good enough to get started, and styling
can happen at any point with customization in `style.css` instead of
trying to mash the default style to work here.

Refs: https://pagefind.app/docs/ui-usage/#customising-the-styles

Signed-off-by: Mike Fiedler <[email protected]>

Author: miketheman

pep_sphinx_extensions/pep_theme/templates/page.html

@@ -12,7 +12,6 @@
     <link rel="stylesheet" href="{{ pathto('_static/mq.css', resource=True) }}" type="text/css">
     <link rel="stylesheet" href="{{ pathto('_static/pygments.css', resource=True) }}" type="text/css" media="(prefers-color-scheme: light)" id="pyg-light">
     <link rel="stylesheet" href="{{ pathto('_static/pygments_dark.css', resource=True) }}" type="text/css" media="(prefers-color-scheme: dark)" id="pyg-dark">
-    <link rel="stylesheet" href="/pagefind/pagefind-ui.css" type="text/css">
     <link rel="alternate" type="application/rss+xml" title="Latest PEPs" href="https://peps.python.org/peps.rss">
     <meta property="og:title" content='{{ title + " | peps.python.org"|safe }}'>
     <meta property="og:description" content="{{ description }}">