Rollup merge of rust-lang#84688 - GuillaumeGomez:remove-unnecessary-css-for-search-results, r=Nemo157

Remove unnecessary CSS rules for search results

Discovered that this was useless when working on rust-lang/docs.rs#1382.

r? ```@Nemo157```

Author: Dylan-DPC

src/librustdoc/html/static/rustdoc.css

@@ -388,13 +388,6 @@ nav.sub {
 	position: relative;
 }
 
-#results {
-	position: absolute;
-	right: 0;
-	left: 0;
-	overflow: auto;
-}
-
 #results > table {
 	width: 100%;
 	table-layout: fixed;