message: Delete test using `hardware_concurrency`
  This does not work on clusters when not using `--exclusive` because only
  a subpart of the machine is given, thus the hwloc number is
  correct (e.g., a NUMA node), but `hardware_concurrency` has the
  incorrect value of all CPUs.
diff: @@ -165,16 +165,6 @@ TEST(OmpExecutor, IsItsOwnMaster)
  #if GKO_HAVE_HWLOC
  -TEST(OmpExecutor, CanGetNumCpusFromExecInfo)
  -{
  - auto omp = gko::OmpExecutor::create();
  -
  - auto num_cpus = omp->get_num_cores() * omp->get_num_threads_per_core();
  -
  - ASSERT_EQ(std::thread::hardware_concurrency(), num_cpus);
  -}
  -
  -
  inline int get_os_id(int log_id)
  {
  return gko::machine_topology::get_instance()->get_core(log_id)->os_id;
  