Remove tests that va_copy is not defined when C++ < 11.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@222405 91177308-0d34-0410-b5e6-96231b3b80d8

test/depr/depr.c.headers/stdarg_h.pass.cpp

diff --git a/test/depr/depr.c.headers/stdarg_h.pass.cpp b/test/depr/depr.c.headers/stdarg_h.pass.cpp
index 2a7906a..7a60902 100644
--- a/test/depr/depr.c.headers/stdarg_h.pass.cpp
+++ b/test/depr/depr.c.headers/stdarg_h.pass.cpp
@@ -19,10 +19,6 @@
 #  ifndef va_copy
 #    error va_copy is not defined when c++ >= 11
 #  endif
-#else
-#  ifdef va_copy
-#    error va_copy is unexpectedly defined when c++ < 11
-#  endif
 #endif
 
 #ifndef va_end

test/language.support/support.runtime/cstdarg.pass.cpp

diff --git a/test/language.support/support.runtime/cstdarg.pass.cpp b/test/language.support/support.runtime/cstdarg.pass.cpp
index 90ea70f..059ad2f 100644
--- a/test/language.support/support.runtime/cstdarg.pass.cpp
+++ b/test/language.support/support.runtime/cstdarg.pass.cpp
@@ -19,10 +19,6 @@
 #  ifndef va_copy
 #    error va_copy is not defined when c++ >= 11
 #  endif
-#else
-#  ifdef va_copy
-#    error va_copy is unexpectedly defined when c++ < 11
-#  endif
 #endif
 
 #ifndef va_end