clean code

packages/app/src/components/PageContentFooter.module.scss

@@ -1,6 +1,5 @@
 @use '~/styles/bootstrap/init' as bs;
 
-// TODO: This class from "/workspace/growi/packages/app/src/styles/_page-content-footer.scss"
 .page-content-footer :global {
   border-top: solid 1px transparent;
   .page-meta {