removing deuteronH2.cpp example

#include "qcor.hpp"

__qpu__ void ansatz(qreg q, double t) {

  X(q[0]);

  Ry(q[1], t);

  CX(q[1], q[0]);

}

int main(int argc, char **argv) {

  auto opt = qcor::getOptimizer();

  auto obs = qcor::getObservable(

      "5.907 - 2.1433 X0X1 - 2.1433 Y0Y1 + .21829 Z0 - 6.125 Z1");

  // Schedule an asynchronous VQE execution

  // with the given quantum kernel ansatz

  auto handle = qcor::taskInitiate(ansatz, "vqe", opt, obs, 0.45);

  auto results_buffer = handle.get();

  auto energy = qcor::extract_results<double>(results_buffer, "opt-val");

//   auto angles =

//       qcor::extract_results<std::vector<double>>(results_buffer, "opt-params");

  printf("energy = %f\n", energy);

//   printf("angles = [");

//   for (int i = 0; i < 1; i++)

//     printf("%f ", angles[i]);

//   printf("]\n");

}