fix(mdx-components):remove conflicting a key

Author: maiieul

apps/website/src/components/mdx-components/index.tsx

@@ -25,13 +25,6 @@ export const components: Record<string, Component> = {
       </p>
     );
   }),
-  a: component$<PropsOf<'a'>>(({ ...props }) => {
-    return (
-      <a {...props} class={[cn('text-primary', props.class)]}>
-        <Slot />
-      </a>
-    );
-  }),
   h1: component$<PropsOf<'h1'>>(({ ...props }) => {
     return (
       <h1