Basic removal of Ty from places (boring)

compiler/rustc_trait_selection/src/traits/mod.rs

@@ -359,7 +359,7 @@ pub fn normalize_param_env_or_error<'tcx>(
                     // `ty::Const::normalize` can only work with properly preserved binders.
 
                     if c.has_escaping_bound_vars() {
-                        return ty::Const::new_misc_error(self.0, c.ty());
+                        return ty::Const::new_misc_error(self.0);
                     }
                     // While it is pretty sus to be evaluating things with an empty param env, it
                     // should actually be okay since without `feature(generic_const_exprs)` the only