Use default GPU target for CUDA compilation w/ NVCC (#2911)
Use default GPU target for CUDA compilation w/ NVCC (#2911)

See the discussion in this pull request for the details:
https://github.com/compiler-explorer/compiler-explorer/pull/2860
mattgodbolt/compiler-explorer,mattgodbolt/compiler-explorer,mattgodbolt/compiler-explorer,mattgodbolt/compiler-explorer,mattgodbolt/compiler-explorer,mattgodbolt/compiler-explorer,mattgodbolt/compiler-explorer,mattgodbolt/compiler-explorer