message: Fix clippy suggestion
diff: @@ -287,7 +287,7 @@ impl InkItemTrait {
  /// Constructors are generally not allowed in ink! trait definitions.
  fn analyse_trait_constructor(constructor: &syn::TraitItemMethod) -> Result<()> {
  - return Err(format_err!(
  + Err(format_err!(
  constructor.span(),
  "ink! trait definitions must not have constructors",
  ))
  