message: removed headers
diff: #ifndef ADIOS2_CORE_OPERATOR_H_
  #define ADIOS2_CORE_OPERATOR_H_
  -/// \cond EXCLUDE_FROM_DOXYGEN
  -#include <cstring>
  -#include <functional>
  -#include <iostream>
  -#include <string>
  -#include <vector>
  -/// \endcond
  -
  #include "adios2/common/ADIOSMacros.h"
  #include "adios2/common/ADIOSTypes.h"
  