[pyupgrade] remove unecessary Expr::Attribute match

Remove the `Expr::Attribute` matching for the second parameter in
`super`. The UP008 does not care when it's an Attribute, the only cases
are:
- super(MyClass, self)
- super(OuterClass.InnerClass, self)

Which is always an `Expr::Name`

Author: leandrobbraga

crates/ruff_linter/src/rules/pyupgrade/rules/super_call_with_parameters.rs

@@ -128,14 +128,15 @@ pub(crate) fn super_call_with_parameters(checker: &Checker, call: &ast::ExprCall
     };
 
     let first_arg_id = match first_arg {
+        // Simple case: super(MyClass, self)
         Expr::Name(ast::ExprName { id, .. }) => id,
+        // Nested class case: super(OuterClass.InnerClass, self)
         Expr::Attribute(ast::ExprAttribute { attr, .. }) => &attr.id,
         _ => return,
     };
 
     let second_arg_id = match second_arg {
         Expr::Name(ast::ExprName { id, .. }) => id,
-        Expr::Attribute(ast::ExprAttribute { attr, .. }) => &attr.id,
         _ => return,
     };