Removed the default header for recently updated section

src/lib.rs

@@ -75,10 +75,11 @@ impl Preprocessor for LastChanged {
         let size = match ctx.config.get("output.html.recently-updated-size") {
             Some(val) => match val {
                 toml::Value::Integer(i) => i,
-                _ => &5
+                _ => &5,
             },
             None => &5,
-        }.to_owned();
+        }
+        .to_owned();
         let size = usize::try_from(size).expect("Recently Updated size is not an usize");
 
         let mut vec: Vec<(LiteLink, NaiveDate)> = map
@@ -101,7 +102,7 @@ impl Preprocessor for LastChanged {
                 )
             })
             .collect();
-        let text = concat_string!("## Recently Updated:\n", "<ul>", text, "</ul>");
+        let text = concat_string!("<ul>", text, "</ul>");
 
         book.for_each_mut(|item: &mut BookItem| {
             if let Some(Err(_)) = res {