chore: fix warnings

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/crunch-envelope/src/lib.rs

@@ -1,3 +1,4 @@
+#[allow(dead_code)]
 mod envelope_capnp;
 
 #[cfg(feature = "json")]
@@ -47,8 +48,6 @@ pub fn wrap<'a>(domain: &'a str, entity: &'a str, content: &'a [u8]) -> Vec<u8>
     metadata.set_domain(domain);
     metadata.set_entity(entity);
 
-    
-
     serialize::write_message_to_words(&builder)
 }