Remove inferance from torchrec_intro_tutorial.py #4775

Job	Run time
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	14m 40s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	39m 29s
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	14m 12s
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	21m 28s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	16m 56s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	22m 25s
pytorch_tutorial_build_worker (7, 15, linux.g5.4xlarge.nvidia.gpu)	21m 15s
pytorch_tutorial_build_worker (9, 15, linux.g5.4xlarge.nvidia.gpu)	14m 20s
pytorch_tutorial_build_worker (12, 15, linux.g5.4xlarge.nvidia.gpu)	26m 58s
pytorch_tutorial_build_worker (15, 15, linux.g5.4xlarge.nvidia.gpu)	26m 9s
pytorch_tutorial_build_worker (13, 15, linux.g5.4xlarge.nvidia.gpu)	19m 17s
pytorch_tutorial_build_worker (10, 15, linux.g5.4xlarge.nvidia.gpu)	15m 44s
pytorch_tutorial_build_worker (14, 15, linux.g5.4xlarge.nvidia.gpu)	41m 22s
pytorch_tutorial_build_worker (11, 15, linux.g5.4xlarge.nvidia.gpu)	16m 34s
pytorch_tutorial_build_worker (8, 15, linux.g5.4xlarge.nvidia.gpu)	14m 47s
pytorch_tutorial_build_manager	21m 27s
	5h 47m 3s

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