Removed macro facets

Macros, placeholders, etc. will all be handled by std eventually so they shouldn't appear in the protocol or the host

orchid-api-traits/src/helpers.rs

@@ -21,4 +21,4 @@ pub fn enc_vec(enc: &impl Encode) -> Vec<u8> {
   let mut vec = Vec::new();
   enc.encode(&mut vec);
   vec
-}
+}