Stop hiding Last Updated date for GitHub handbooks

Closes #456

source/wp-content/themes/wporg-developer-2023/inc/block-hooks.php

@@ -59,10 +59,9 @@ function get_block_content_by_home_url( $block_content, $replacement_home_url =
  * @return string
  */
 function filter_article_meta_block( $block_content, $block ) {	
-	// Not all handbooks come from GitHub.
-	$local_handbooks = array( 'plugin-handbook', 'theme-handbook' );
-
 	if ( 'wporg/article-meta-github' === $block['blockName'] ) {
+		// Not all handbooks come from GitHub.
+		$local_handbooks = array( 'plugin-handbook', 'theme-handbook' );
 		$post_type = get_post_type();
 
 		if ( in_array( $post_type, $local_handbooks ) ) {
@@ -76,16 +75,5 @@ function filter_article_meta_block( $block_content, $block ) {
 		}
 	}
 
-	if ( 'wporg/article-meta-date' === $block['blockName'] ) {
-		$post_type = get_post_type();
-
-		// Last modified date for handbooks from GitHub is the last import date, rather than the edited date.
-		// Don't display until we have the edited date from GitHub.
-		// See https://github.com/WordPress/wporg-developer/issues/456
-		if ( wporg_is_handbook_post_type() && ! in_array( $post_type, $local_handbooks ) && '[last_updated]' === $block['attrs']['heading'] ) {
-			return '';
-		}
-	}
-
 	return $block_content;
 }