message: Remove unnessacery imports in testing header
diff: //
  #ifndef calc_h
  -#define WASM_hpp
  +#define calc_h
  #include "wasm.h"
  -#include "wasmer.h"
  -#include "wasmer_wasm.h"
  #include <stdio.h>
  #ifdef __cplusplus
  -extern "C" {
  +extern "C"
  +{
  #endif
  int calculate_sum(int a, int b);
  