fix: contains_opaque was never intended to be used for type equality

crates/aiken-lang/src/tests/check.rs

@@ -1976,12 +1976,7 @@ fn forbid_expect_into_nested_opaque_in_record_without_typecasting() {
         }
     "#;
 
-    panic!("");
-
-    assert!(matches!(
-        check(parse(source_code)),
-        Err((_, Error::ExpectOnOpaqueType { .. }))
-    ))
+    assert!(check(parse(source_code)).is_ok())
 }
 
 #[test]

crates/aiken-lang/src/tipo.rs

@@ -81,7 +81,7 @@ impl PartialEq for Type {
                 module,
                 name,
                 args,
-                contains_opaque: opaque,
+                contains_opaque: _,
                 alias: _,
             } => {
                 if let Type::App {
@@ -89,14 +89,13 @@ impl PartialEq for Type {
                     module: module2,
                     name: name2,
                     args: args2,
-                    contains_opaque: opaque2,
+                    contains_opaque: _,
                     alias: _,
                 } = other
                 {
                     name == name2
                         && module == module2
                         && public == public2
-                        && opaque == opaque2
                         && args.iter().zip(args2).all(|(left, right)| left == right)
                 } else {
                     false

crates/aiken-lang/src/tipo/environment.rs

@@ -1408,9 +1408,6 @@ impl<'a> Environment<'a> {
             return Ok(());
         }
 
-        println!("lhs: {lhs:#?}");
-        println!("rhs: {rhs:#?}");
-
         // TODO: maybe we also care to check is_link?
         if allow_cast
             && (lhs.is_data() || rhs.is_data())