chore: generate less sol! abi implementations (#6390)

crates/cheatcodes/spec/src/vm.rs

@@ -7,8 +7,6 @@ use alloy_sol_types::sol;
 use foundry_macros::Cheatcode;
 
 sol! {
-#![sol(abi)]
-
 // Cheatcodes are marked as view/pure/none using the following rules:
 // 0. A call's observable behaviour includes its return value, logs, reverts and state writes,
 // 1. If you can influence a later call's observable behaviour, you're neither `view` nor `pure`
@@ -18,6 +16,7 @@ sol! {
 
 /// Foundry cheatcodes interface.
 #[derive(Debug, Cheatcode)] // Keep this list small to avoid unnecessary bloat.
+#[sol(abi)]
 interface Vm {
     //  ======== Types ========