Remove border on Dark and Origin for unread entry counters

p/themes/Dark/dark.css

@@ -561,7 +561,6 @@ a.btn {
 	font-size: 0.9rem;
 	line-height: 1.5rem;
 	background: inherit;
-	border-left: 1px solid #666;
 }
 
 /*=== Aside main page (feeds) */

p/themes/Origine/origine.css

@@ -601,7 +601,6 @@ a.btn {
 	font-size: 0.9rem;
 	line-height: 1.5rem;
 	background: inherit;
-	border-left: 1px solid #aaa;
 }
 
 /*=== Aside main page (feeds) */