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, 28 deletions

diff --git a/libcxx/test/std/utilities/time/weeks.pass.cpp b/libcxx/test/std/utilities/time/weeks.pass.cpp
deleted file mode 100644
index 6099d55b7c6..00000000000
--- a/libcxx/test/std/utilities/time/weeks.pass.cpp
+++ /dev/null
@@ -1,28 +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
-
-// <chrono>
-
-// using weeks = duration<signed integer type of at least 22 bits, ratio_multiply<ratio<7>, days::period>>;
-
-#include <chrono>
-#include <type_traits>
-#include <limits>
-
-int main()
-{
-    typedef std::chrono::weeks D;
-    typedef D::rep Rep;
-    typedef D::period Period;
-    static_assert(std::is_signed<Rep>::value, "");
-    static_assert(std::is_integral<Rep>::value, "");
-    static_assert(std::numeric_limits<Rep>::digits >= 22, "");
-    static_assert(std::is_same_v<Period, std::ratio_multiply<std::ratio<7>, std::chrono::days::period>>, "");
-}