remove batch_dims from make bounding boxes and detection masks #926

Job	Run time
linux (linux.12xlarge, cpu) / linux-job	38s
linux (linux.g5.4xlarge.nvidia.gpu, cuda, 11.8) / linux-job	55s
macos (macos-12) / macos-job	1m 22s
macos (macos-m1-12) / macos-job	1m 18s
windows (windows.4xlarge, cpu) / windows-job	2m 7s
windows (windows.g5.4xlarge.nvidia.gpu, cuda, 11.8) / windows-job	41s
	7m 1s

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