chore: Make objects public

Remove dead_code check and leftover file after a merge
Improve some docstrings

--- don't change below this line ---
ENG-4087 Took 1 hour 39 minutes

src/encoding/evm/strategy_encoder/mod.rs

@@ -1,2 +1,2 @@
 mod strategy_encoders;
-mod strategy_selector;
+pub mod strategy_selector;