Add a deprecation notice to the Profile Tensorboard tutorial #3255

Job	Run time
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	15m 51s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	50m 12s
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	19m 4s
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	29m 54s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	20m 0s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	25m 28s
pytorch_tutorial_build_worker (7, 15, linux.4xlarge.nvidia.gpu)	37m 18s
pytorch_tutorial_build_worker (8, 15, linux.4xlarge.nvidia.gpu)	23m 27s
pytorch_tutorial_build_worker (9, 15, linux.4xlarge.nvidia.gpu)	15m 47s
pytorch_tutorial_build_worker (10, 15, linux.4xlarge.nvidia.gpu)	14m 9s
pytorch_tutorial_build_worker (11, 15, linux.4xlarge.nvidia.gpu)	15m 4s
pytorch_tutorial_build_worker (12, 15, linux.4xlarge.nvidia.gpu)	18m 26s
pytorch_tutorial_build_worker (13, 15, linux.4xlarge.nvidia.gpu)	19m 6s
pytorch_tutorial_build_worker (14, 15, linux.4xlarge.nvidia.gpu)	23m 5s
pytorch_tutorial_build_worker (15, 15, linux.4xlarge.nvidia.gpu)	25m 15s
pytorch_tutorial_build_manager	20m 18s
	6h 12m 24s

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