Update user-defined triton kernels tutorial with new torch.library.triton_op #3673

Job	Run time
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	15m 26s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	43m 21s
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	22m 14s
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	31m 56s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	23m 18s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	20m 9s
pytorch_tutorial_build_worker (7, 15, linux.4xlarge.nvidia.gpu)	22m 43s
pytorch_tutorial_build_worker (8, 15, linux.4xlarge.nvidia.gpu)	17m 8s
pytorch_tutorial_build_worker (9, 15, linux.4xlarge.nvidia.gpu)	23m 3s
pytorch_tutorial_build_worker (10, 15, linux.4xlarge.nvidia.gpu)	18m 17s
pytorch_tutorial_build_worker (11, 15, linux.4xlarge.nvidia.gpu)	18m 28s
pytorch_tutorial_build_worker (12, 15, linux.4xlarge.nvidia.gpu)	33m 30s
pytorch_tutorial_build_worker (13, 15, linux.4xlarge.nvidia.gpu)	43m 41s
pytorch_tutorial_build_worker (14, 15, linux.4xlarge.nvidia.gpu)	37m 14s
pytorch_tutorial_build_worker (15, 15, linux.4xlarge.nvidia.gpu)	29m 18s
pytorch_tutorial_build_manager	22m 13s
	7h 1m 59s

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