rustdoc: remove no-op CSS `.source pre { overflow: auto }`

Since source pages use the `example-wrap` wrapper, this rule became
redundant because there is already an `overflow-x: auto` rule.

diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
index 91162ca4892ca0a43caa71b64d54696bee1a69a7..d22d2f2edb038ba6c2d8b13322beccb039fe51bd 100644 (file)
--- a/src/librustdoc/html/static/css/rustdoc.css
+++ b/src/librustdoc/html/static/css/rustdoc.css
@@ -523,7 +523,6 @@ ul.block, .block li {
 }
 
 .source .content pre.rust {
-       overflow: auto;
        padding-left: 0;
 }