message: fix(css/parser): Remove a wrong assertion
diff: @@ -22,9 +22,6 @@ impl Error {
  }
  pub fn new(span: Span, kind: ErrorKind) -> Self {
  - if cfg!(debug_assertions) && span.is_dummy() {
  - panic!("parser should not create an error with dummy span")
  - }
  Error {
  inner: Box::new((span, kind)),
  }
  