MPI_build_test is stopped

[t-hishinuma]

The following error occurs on Geforce 1050. Not reproduced on TITAN V.

We hope that it will be fixed by supporting CUDA11 ( #65 ).

MPI_Build_test is temporarily stopped

CUDA error: Error returned from cuModuleLoadDataEx
CUDA error: out of memory 
Libomptarget error: Unable to generate entries table for device id 0.
Libomptarget error: Failed to init globals on device 0
Libomptarget error: Run with LIBOMPTARGET_DEBUG=4 to dump host-target pointer mappings.
CUDA error: Error returned from cuModuleLoadDataEx
CUDA error: out of memory 
gpu_comm.cpp:19:1: Libomptarget fatal error 1: failure of target construct while offloading is mandatory