frozen-abi: disallow integer arithmetic lint

frozen-abi/macro/src/lib.rs

@@ -1,4 +1,3 @@
-#![allow(clippy::integer_arithmetic)]
 extern crate proc_macro;
 
 #[cfg(RUSTC_WITH_SPECIALIZATION)]

frozen-abi/src/lib.rs

@@ -1,6 +1,5 @@
 #![cfg_attr(RUSTC_WITH_SPECIALIZATION, feature(specialization))]
 #![cfg_attr(RUSTC_NEEDS_PROC_MACRO_HYGIENE, feature(proc_macro_hygiene))]
-#![allow(clippy::integer_arithmetic)]
 
 // Allows macro expansion of `use ::solana_frozen_abi::*` to work within this crate
 extern crate self as solana_frozen_abi;