mdx: rename getMDXComponents to useMDXComponents convention, remove ClientButton

mdx-components.tsx

@@ -1,7 +1,7 @@
 import type { MDXComponents } from 'mdx/types'
-import { ClientButton } from '@/components/blog/button-client'
 
-export function getMDXComponents(components: MDXComponents): MDXComponents {
+
+export function useMDXComponents(components: MDXComponents): MDXComponents {
   return {
     ...components,
     // Typography
@@ -106,10 +106,5 @@ export function getMDXComponents(components: MDXComponents): MDXComponents {
     // Collapsible sections
     details: (props) => <details className="my-4 rounded-lg border border-border p-4" {...props} />,
     summary: (props) => <summary className="cursor-pointer font-semibold" {...props} />,
-
-    button: ({ children, onClick, ...props }) => {
-      const onClickString = typeof onClick === 'string' ? onClick : undefined
-      return <ClientButton onClick={onClickString} {...props}>{children}</ClientButton>
-    },
   }
 }