Add CSS minification, AJAX settings, and modern admin styling

includes/speed-functions.php

@@ -17,7 +17,6 @@ function wpa_superstar_lazy_load_images( $content ) {
 add_filter( 'the_content', 'wpa_superstar_lazy_load_images' );
 add_filter( 'wp_get_attachment_image', 'wpa_superstar_lazy_load_images' );
 
-// After lazy load function
 function wpa_superstar_minify_css( $html ) {
     if ( is_admin() || ! get_option( 'wpa_superstar_minify_css', 0 ) ) {
         return $html;