remove check assertions

Author: changkhothuychung

libcxx/test/std/ranges/range.adaptors/range.concat/iterator/ctor.pass.cpp

@@ -12,7 +12,6 @@
 
 #include "test_macros.h"
 #include "test_iterators.h"
-#include "check_assertion.h"
 #include "../types.h"
 
 int globalBuff[8] = {0, 1, 2, 3, 4, 5, 6, 7};

libcxx/test/std/ranges/range.adaptors/range.concat/iterator/increment.pass.cpp

@@ -16,7 +16,6 @@
 #include <concepts>
 #include <type_traits>
 #include <utility>
-#include "check_assertion.h"
 #include "test_iterators.h"
 #include "test_macros.h"
 #include "../types.h"