Remove outdated references to the `preview_post_link` filter docs.

See #24345
Props paulwilde

Built from https://develop.svn.wordpress.org/trunk@34178


git-svn-id: http://core.svn.wordpress.org/trunk@34146 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-posts-list-table.php

@@ -1158,7 +1158,6 @@ class WP_Posts_List_Table extends WP_List_Table {
 			if ( in_array( $post->post_status, array( 'pending', 'draft', 'future' ) ) ) {
 				if ( $can_edit_post ) {
 					$unpublished_link = set_url_scheme( get_permalink( $post ) );
-					/** This filter is documented in wp-admin/includes/meta-boxes.php */
 					$preview_link = get_preview_post_link( $post, array(), $unpublished_link );
 					$actions['view'] = '<a href="' . esc_url( $preview_link ) . '" title="' . esc_attr( sprintf( __( 'Preview &#8220;%s&#8221;' ), $title ) ) . '" rel="permalink">' . __( 'Preview' ) . '</a>';
 				}

wp-admin/includes/post.php

@@ -1319,7 +1319,6 @@ function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) {
 	if ( isset( $view_post ) ) {
 		if ( 'draft' == $post->post_status ) {
 			$draft_link = set_url_scheme( get_permalink( $post->ID ) );
-			/** This filter is documented in wp-admin/includes/meta-boxes.php */
 			$preview_link = get_preview_post_link( $post, array(), $draft_link );
 			$return .= "<span id='view-post-btn'><a href='" . esc_url( $preview_link ) . "' class='button button-small' target='wp-preview-{$post->ID}'>$view_post</a></span>\n";
 		} else {

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34177';
+$wp_version = '4.4-alpha-34178';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.