Unneeded LESS guard.

services/web/public/stylesheets/app/editor/file-tree.less

@@ -47,11 +47,7 @@
 		overflow-x: hidden;
 		height: 100%;
 
-		ul when (@is-overleaf = false) {
-			margin-left: (@line-height-computed / 2);
-		}
-
-		ul when (@is-overleaf = true) {
+		ul {
 			margin-left: (@line-height-computed / 2);
 		}