Last commit included some extra constexpr; remove them

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@303862 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/algorithm b/include/algorithm
index a3bde9f..7ea4474 100644
--- a/include/algorithm
+++ b/include/algorithm
@@ -1760,7 +1760,7 @@
 }
 
 template <class _Tp>
-inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
+inline _LIBCPP_INLINE_VISIBILITY
 typename enable_if
 <
     is_trivially_copy_assignable<_Tp>::value,
@@ -1774,7 +1774,7 @@
 #if _LIBCPP_DEBUG_LEVEL < 2
 
 template <class _Tp>
-inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
+inline _LIBCPP_INLINE_VISIBILITY
 typename enable_if
 <
     is_trivially_copy_assignable<_Tp>::value,
@@ -1788,7 +1788,7 @@
 #else
 
 template <class _Tp>
-inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
+inline _LIBCPP_INLINE_VISIBILITY
 typename enable_if
 <
     is_trivially_copy_assignable<_Tp>::value,