feat: update tests

Author: ericnordelo

tests/cairo_code/account.cairo

@@ -13,9 +13,3 @@ trait IAccount {
     fn is_valid_signature(message: felt252, signature: Array<felt252>) -> u32;
     fn supports_interface(interface_id: u32) -> bool;
 }
-
-trait Sergio {
-    fn __execute__(calls: Array<Call>) -> Array<Span<felt252>>;
-    fn __validate__(calls: Array<Call>) -> felt252;
-    fn is_valid_signature(hash: felt252, signature: Array<felt252>) -> u32;
-}