Cleanup

Author: H-G-Hristov

libcxx/test/support/test_comparisons.h

@@ -271,29 +271,6 @@ struct PartialOrder {
 template <typename T1, typename T2 = T1>
 concept HasOperatorEqual = requires(T1 t1, T2 t2) { t1 == t2; };
 
-template <typename T1, typename T2 = T1>
-concept HasOperatorSpaceship = requires(T1 t1, T2 t2) { t1 <=> t2; };
-
-struct NonComparable {};
-static_assert(!std::equality_comparable<NonComparable>);
-static_assert(!HasOperatorEqual<NonComparable>);
-static_assert(!HasOperatorSpaceship<NonComparable>);
-
-class EqualityComparable {
-public:
-  constexpr EqualityComparable(int value) : value_{value} {};
-
-  friend constexpr bool operator==(const EqualityComparable&, const EqualityComparable&) noexcept = default;
-
-private:
-  int value_;
-};
-static_assert(std::equality_comparable<EqualityComparable>);
-static_assert(HasOperatorEqual<EqualityComparable>);
-
-template <typename T1, typename T2 = T1>
-concept HasOperatorEqual = requires(T1 t1, T2 t2) { t1 == t2; };
-
 template <typename T1, typename T2 = T1>
 concept HasOperatorGreaterThan = requires(T1 t1, T2 t2) { t1 > t2; };
 
@@ -355,6 +332,6 @@ static_assert(HasOperatorLessThanEqual<ThreeWayComparable>);
 static_assert(HasOperatorNotEqual<ThreeWayComparable>);
 static_assert(HasOperatorSpaceship<ThreeWayComparable>);
 
-#endif // TEST_STD_VER >= 20 // TEST_STD_VER >= 20
+#endif // TEST_STD_VER >= 20
 
 #endif // TEST_COMPARISONS_H