Fix `DistributedModelParallel` links in torchrec_intro_tutorial #3727

Job	Run time
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	14m 16s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	52m 36s
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	21m 22s
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	31m 0s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	22m 41s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	19m 56s
pytorch_tutorial_build_worker (7, 15, linux.4xlarge.nvidia.gpu)	21m 50s
pytorch_tutorial_build_worker (8, 15, linux.4xlarge.nvidia.gpu)	16m 22s
pytorch_tutorial_build_worker (9, 15, linux.4xlarge.nvidia.gpu)	22m 25s
pytorch_tutorial_build_worker (10, 15, linux.4xlarge.nvidia.gpu)	17m 36s
pytorch_tutorial_build_worker (11, 15, linux.4xlarge.nvidia.gpu)	18m 33s
pytorch_tutorial_build_worker (12, 15, linux.4xlarge.nvidia.gpu)	32m 45s
pytorch_tutorial_build_worker (13, 15, linux.4xlarge.nvidia.gpu)	43m 26s
pytorch_tutorial_build_worker (14, 15, linux.4xlarge.nvidia.gpu)	38m 18s
pytorch_tutorial_build_worker (15, 15, linux.4xlarge.nvidia.gpu)	28m 33s
pytorch_tutorial_build_manager	21m 19s
	7h 2m 58s

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