message: chore: Simplify ButtplugMessage trait derivation
diff: @@ -20,7 +20,7 @@ fn impl_buttplug_message_macro(ast: &syn::DeriveInput) -> TokenStream {
  let gen = quote! {
  impl ButtplugMessage for #name {
  fn id(&self) -> u32 {
  - return self.id;
  + self.id
  }
  }
  };
  