Revert r344529 "Implement the first part of the calendar support for C++20"

Revert r344535 "Wrap up the new chrono literals in an #ifdef..."
Revert r344546 "Mark a couple of test cases as 'C++17-only'..."

Some of the buildbot failures were masked by another error,
and this one was probably missed.

llvm-svn: 344580

1 files changed, 0 insertions, 34 deletions

diff --git a/libcxx/test/std/utilities/time/time.cal/time.cal.mdlast/streaming.pass.cpp b/libcxx/test/std/utilities/time/time.cal/time.cal.mdlast/streaming.pass.cpp
deleted file mode 100644
index 693acd89eb1..00000000000
--- a/libcxx/test/std/utilities/time/time.cal/time.cal.mdlast/streaming.pass.cpp
+++ /dev/null
@@ -1,34 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-// UNSUPPORTED: c++03, c++11, c++14, c++17
-// XFAIL: *
-
-// <chrono>
-// class month_day_last;
-//
-// template<class charT, class traits>
-//     basic_ostream<charT, traits>&
-//     operator<<(basic_ostream<charT, traits>& os, const month_day_last& mdl);
-// 
-//     Returns: os << mdl.month() << "/last".
-
-
-#include <chrono>
-#include <type_traits>
-#include <cassert>
-#include <iostream>
-
-#include "test_macros.h"
-
-int main()
-{
-    using month_day_last = std::chrono::month_day_last;
-    using month          = std::chrono::month;
-    std::cout << month_day_last{month{1}};
-}