Twenty Nineteen: Remove a legacy WPCS annotation.

References:
* [WordPress/WordPress-Coding-Standards#1580 WPCS: Deprecate use of the WPCS native whitelist comments]
* [WordPress/WordPress-Coding-Standards#1908 WPCS: 3.0: Remove deprecated Sniff::has_whitelist_comment() method and all references to it]

Follow-up to [43808].

Props rodrigosprimo, mukesh27.
See #64627.

git-svn-id: https://develop.svn.wordpress.org/trunk@61630 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

src/wp-content/themes/twentynineteen/inc/template-tags.php

@@ -92,7 +92,7 @@ function twentynineteen_entry_footer() {
 					/* translators: Hidden accessibility text. */
 					__( 'Posted in', 'twentynineteen' ),
 					$categories_list
-				); // WPCS: XSS OK.
+				);
 			}
 
 			$tags_list = get_the_tag_list( '', wp_get_list_item_separator() );
@@ -104,7 +104,7 @@ function twentynineteen_entry_footer() {
 					/* translators: Hidden accessibility text. */
 					__( 'Tags:', 'twentynineteen' ),
 					$tags_list
-				); // WPCS: XSS OK.
+				);
 			}
 		}