Rollup merge of rust-lang#103025 - notriddle:notriddle/search-container-star, r=GuillaumeGomez

rustdoc: remove unused CSS `.search-container > *`

The two items it was really intended to target were the buttons, and those both need to have the style set directly on them anyway because the buttons are both child elements of wrappers.

https://github.com/rust-lang/rust/blob/6b3ede3f7bc502eba7bbd202b4b9312d812adcd7/src/librustdoc/html/static/css/rustdoc.css#L1406-L1411

Author: albertlarsan68

src/librustdoc/html/static/css/rustdoc.css

@@ -808,9 +808,6 @@ table,
 	height: 34px;
 	margin-top: 4px;
 }
-.search-container > * {
-	height: 100%;
-}
 .search-results-title {
 	margin-top: 0;
 	white-space: nowrap;