Admin: Remove horizontal scroll bar in help menu

Author: t-hamano

src/wp-admin/css/common.css

@@ -2077,17 +2077,6 @@ p.auto-update-status {
 	box-shadow: 0 2px 0 rgba(0, 0, 0, 0.02), 0 1px 0 rgba(0, 0, 0, 0.02);
 }
 
-.contextual-help-tabs .active::after {
-	content: "";
-	position: absolute;
-	top: 0;
-	right: -1px;
-	width: 2px;
-	height: 100%;
-	background: inherit;
-	z-index: 2;
-}
-
 .contextual-help-tabs .active a {
 	border-color: #c3c4c7;
 	color: #2c3338;