Remove statement with no effect inside tests.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@233816 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp

@@ -23,7 +23,6 @@ int delete_nothrow_called = 0;
 void operator delete[](void* p) throw()
 {
     ++delete_called;
-    delete_nothrow_called;
     std::free(p);
 }
 

test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp

@@ -23,7 +23,6 @@ int delete_nothrow_called = 0;
 void operator delete(void* p) throw()
 {
     ++delete_called;
-    delete_nothrow_called;
     std::free(p);
 }