Actually remove code blocks from search index

Closes #2065

Author: Keats

components/search/src/lib.rs

@@ -14,12 +14,10 @@ static AMMONIA: Lazy<ammonia::Builder<'static>> = Lazy::new(|| {
     let mut clean_content = HashSet::new();
     clean_content.insert("script");
     clean_content.insert("style");
-    let mut rm_tags = HashSet::new();
-    rm_tags.insert("pre");
+    clean_content.insert("pre");
     let mut builder = ammonia::Builder::new();
     builder
         .tags(HashSet::new())
-        .rm_tags(rm_tags)
         .tag_attributes(HashMap::new())
         .generic_attributes(HashSet::new())
         .link_rel(None)
@@ -89,7 +87,6 @@ fn fill_index(
             row.push(body);
         };
     }
-
     row
 }