clean up hnsw benchmark #1364

Job	Run time
Linux arm64 packages	0s
Linux arm64 packages	0s
Format	40s
Format	40s
Linux x86_64 (cmake)	14m 49s
Linux x86_64 (cmake)	14m 49s
Linux x86_64 GPU packages (CUDA 11.4.4)	0s
Linux x86_64 GPU packages (CUDA 11.4.4)	0s
Linux x86_64 GPU packages (CUDA 12.1.1)	0s
Linux x86_64 GPU packages (CUDA 12.1.1)	0s
Linux x86_64 GPU w/ RAFT packages (CUDA 11.8.0)	0s
Linux x86_64 GPU w/ RAFT packages (CUDA 11.8.0)	0s
Linux x86_64 GPU w/ RAFT packages (CUDA 12.1.1)	0s
Linux x86_64 GPU w/ RAFT packages (CUDA 12.1.1)	0s
Linux x86_64 packages	0s
Linux x86_64 packages	0s
OSX arm64 packages	0s
OSX arm64 packages	0s
Windows x86_64 packages	0s
Windows x86_64 packages	0s
Linux arm64 (conda)	11m 10s
Linux arm64 (conda)	11m 10s
Linux arm64 SVE (cmake)	3h 23m 26s
Linux arm64 SVE (cmake)	3h 23m 26s
Linux x86_64 AVX512 (cmake)	22m 25s
Linux x86_64 AVX512 (cmake)	22m 25s
Linux x86_64 AVX2 (cmake)	14m 27s
Linux x86_64 AVX2 (cmake)	14m 27s
Linux x86_64 (conda)	13m 36s
Linux x86_64 (conda)	13m 36s
Linux x86_64 GPU (cmake)	36m 37s
Linux x86_64 GPU (cmake)	36m 37s
Linux x86_64 GPU w/ ROCm (cmake)	1m 51s
Linux x86_64 GPU w/ ROCm (cmake)	31m 48s
Linux x86_64 GPU w/ RAFT (cmake)	4m 13s
Linux x86_64 GPU w/ RAFT (cmake)	3m 57s
Windows x86_64 (conda)	30m 35s
Windows x86_64 (conda)	30m 35s
	12h 17m 19s

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