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/mod.rs

@@ -1,6 +1,6 @@
-pub mod approvals;
+mod approvals;
 mod models;
-mod strategy_encoder;
+pub mod strategy_encoder;
 mod swap_encoder;
-mod tycho_encoder;
+pub mod tycho_encoder;
 mod utils;