Remove workaround for DevCom-10112408 VSO-1588505 "Implicit conversion to function parameter of a non-movable type is still broken", closed as fixed on 2023-11-06.

Author: StephanTLavavej

tests/std/tests/P0088R3_variant/test.cpp

@@ -7674,10 +7674,8 @@ namespace msvc {
                 };
 
                 using VarTestConv = std::variant<convertible_to_immobile_one, convertible_to_immobile_other>;
-#if defined(__clang__) || defined(__EDG__) // TRANSITION, DevCom-10112408
                 assert(std::visit<R>(std::identity{}, VarTestConv{convertible_to_immobile_one{}}).x == 1729);
                 assert(std::visit<R>(std::identity{}, VarTestConv{convertible_to_immobile_other{}}).x == 1138);
-#endif // TRANSITION, DevCom-10112408
                 auto immobile_converter = [](auto src) -> immobile_data { return src; };
                 assert(std::visit<R>(immobile_converter, VarTestConv{convertible_to_immobile_one{}}).x == 1729);
                 assert(std::visit<R>(immobile_converter, VarTestConv{convertible_to_immobile_other{}}).x == 1138);