If you look at the source code of get_the_archive_title()
, you will see that there is a filter supplied, called get_the_archive_title
, through which you can filter the output from the function.
You can use the following to change the output on a category page
add_filter( 'get_the_archive_title', function ( $title ) {
if( is_category() ) {
$title = single_cat_title( '', false );
}
return $title;
});