rustdoc: remove unused CSS nav.sum

notriddle · notriddle · commit 87060c42ff2e · 2022-10-11T14:46:49.000-07:00
This was added in 4fd061c, but never actually used.
diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
@@ -718,7 +718,6 @@ nav.sub {
 .source nav.sub {
 	margin-left: 32px;
 }
-nav.sum { text-align: right; }
 nav.sub form { display: inline; }
 
 a {
