Rollup merge of rust-lang#107491 - notriddle:notriddle/setting-check, r=GuillaumeGomez

rustdoc: remove unused CSS from `.setting-check`

These rules were needed for the mobile-style switches, but those were removed in 0f3ae62

Author: GuillaumeGomez

src/librustdoc/html/static/css/settings.css

@@ -40,8 +40,6 @@
 }
 
 .setting-check {
-	position: relative;
-	width: 100%;
 	margin-right: 20px;
 	display: flex;
 	align-items: center;