Accessibility: Editor, Publish meta box: remove a stray label and redundant CSS.

Also, adds a `role="button"` attribute to the "Edit" links.

Props iseulde.
Fixes #28411.


git-svn-id: https://develop.svn.wordpress.org/trunk@38700 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/css/forms.css

@@ -458,21 +458,6 @@ fieldset label,
 	vertical-align: baseline;
 }
 
-#misc-publishing-actions label[for="post_status"]:before {
-	content: "\f173";
-	display: inline-block;
-	font: normal 20px/1 dashicons;
-	speak: none;
-	left: -1px;
-	padding: 0 5px 0 0;
-	position: relative;
-	top: 0;
-	text-decoration: none !important;
-	vertical-align: top;
-	-webkit-font-smoothing: antialiased;
-	-moz-osx-font-smoothing: grayscale;
-}
-
 #pass-strength-result {
 	background-color: #eee;
 	border: 1px solid #ddd;