Fix PHP 7.3 continue switch warning

taxonomy-list-widget.php

@@ -392,7 +392,6 @@ class taxonomy_list_widget_plugin {
 					break;
 
 					default:
-						continue;
 					break;
 				}
 			}
@@ -726,4 +725,4 @@ if( !function_exists( 'TLW_direct' ) ):
 		echo '<!-- NOTICE: The function used to generate this dropdown list is deprecated as of version 1.0 of Taxonomy List Widget. You should update your template to use `taxonomy_list_widget` instead. -->' . $taxonomy_list_widget_plugin->render_list( $options, 'legacy_tlw' );
 	}
 endif;
-?>
\ No newline at end of file
+?>