servo: Merge #17987 - style: Remove stray debugging println (from heycam:rm-println); r=upsuper

Left this in accidentally in #17981.

Source-Repo: https://github.com/servo/servo
Source-Revision: 8f34d54b0fa74cfa17f522be836eb259cfc0a905

--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : cf2551eaeaa04f2f1d922a076c00c8b56e0eecfa

servo/components/style/properties/longhand/font.mako.rs

@@ -213,7 +213,6 @@ macro_rules! impl_gecko_keyword_conversions {
                     serialization.push(' ');
                     serialize_identifier(&ident, &mut serialization).unwrap();
                 }
-                println!("serialization: {}", serialization);
                 Ok(FontFamily::FamilyName(FamilyName {
                     name: Atom::from(value),
                     syntax: FamilyNameSyntax::Identifiers(serialization),