Remove another stray change

crates/typst-layout/src/inline/line.rs

@@ -26,7 +26,6 @@ const LINE_SEPARATOR: char = '\u{2028}'; // We use LS to distinguish justified b
 /// first and last one since they may be broken apart by the start or end of the
 /// line, respectively. But even those can partially reuse previous results when
 /// the break index is safe-to-break per rustybuzz.
-#[derive(Debug)]
 pub struct Line<'a> {
     /// The items the line is made of.
     pub items: Items<'a>,