message: Fix issue
  remove not necessary file `monster_test_generated.h` from sample_bfbs.cpp
diff: #include "flatbuffers/idl.h"
  #include "flatbuffers/util.h"
  -#include "monster_test_generated.h"
  #include "monster_generated.h" // Already includes "flatbuffers/flatbuffers.h".
  using namespace MyGame::Sample;
  