code quality: remove always-true negated bools

Author: justlevine

src/wp-includes/class-wp-comment-query.php

@@ -685,10 +685,8 @@ protected function get_comment_ids() {
 
 						break;
 					}
-				}
 
-				// Default to DESC.
-				if ( ! $comment_id_order ) {
+					// Default to DESC.
 					$comment_id_order = 'DESC';
 				}
 

src/wp-includes/general-template.php

@@ -4781,7 +4781,7 @@ function paginate_links( $args = '' ) {
 				);
 
 				$dots = true;
-			elseif ( $dots && ! $args['show_all'] ) :
+			elseif ( $dots ) :
 				$page_links[] = '<span class="page-numbers dots">' . __( '&hellip;' ) . '</span>';
 
 				$dots = false;

src/wp-includes/nav-menu.php

@@ -377,7 +377,7 @@ function wp_update_nav_menu_object( $menu_id = 0, $menu_data = array() ) {
 		return (int) $_menu['term_id'];
 	}
 
-	if ( ! $_menu || ! isset( $_menu->term_id ) ) {
+	if ( ! isset( $_menu->term_id ) ) {
 		return 0;
 	}