mononoke: remove dead_code

Reviewed By: farnz

Differential Revision: D16263583

fbshipit-source-id: 00a1d1cce271b3bb1e538ca9b3e101ff359dbc3b

mononoke_types/src/lib.rs

@@ -7,8 +7,6 @@
 //! Base types used throughout Mononoke.
 
 #![deny(warnings)]
-// The allow(dead_code) is temporary until Thrift serialization is done.
-#![allow(dead_code)]
 #![feature(const_fn)]
 
 pub mod blob;

mononoke_types/src/typed_hash.rs

@@ -99,6 +99,7 @@ macro_rules! impl_typed_hash {
                 }
             }
 
+            #[cfg(test)]
             pub(crate) fn from_byte_array(arr: [u8; 32]) -> Self {
                 $typed(Blake2::from_byte_array(arr))
             }