Non visualizzare categoria e tag

// Meta category & tagged
if ( ! function_exists( 'wpstyle_posted_in' ) ) :
function wpstyle_posted_in() {
	$tag_list = get_the_tag_list( ' → ', ', ' );
	if ( $tag_list ) {
		$posted_in = __( 'This entry was posted in &rarr; %1$s <br />Tagged %2$s.<br />', 'wpstyle' );
	} elseif ( is_object_in_taxonomy( get_post_type(), 'category' ) ) {
		$posted_in = __( 'This entry was posted in &rarr; %1$s<br />', 'wpstyle' );
	}
	printf(
		$posted_in,
		get_the_category_list( ', ' ),
		$tag_list,
		get_permalink(),
		the_title_attribute( 'echo=0' )
);
}
endif;

<?php wpstyle_posted_in(); ?>

<?php wpstyle_posted_in(); ?>

<?php //wpstyle_posted_in(); ?>