Editor: Fix layout of no-js state in site editor.

Remove padding and adjust classes to match current state of editor.

Props afercia, andraganescu, poena.
Fixes #56228.

git-svn-id: https://develop.svn.wordpress.org/trunk@56187 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/css/common.css

@@ -581,11 +581,6 @@ code {
 	margin: 10px 20px 0 2px;
 }
 
-.wrap.block-editor-no-js,
-.wrap.site-editor-no-js {
-	padding-left: 20px;
-}
-
 .wrap > h2:first-child, /* Back-compat for pre-4.4 */
 .wrap [class$="icon32"] + h2, /* Back-compat for pre-4.4 */
 .postbox .inside h2, /* Back-compat for pre-4.4 */