remove FLAVA tutorial #4704

Job	Run time
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	22m 53s
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	16m 14s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	20m 51s
pytorch_tutorial_build_worker (10, 15, linux.g5.4xlarge.nvidia.gpu)	21m 2s
pytorch_tutorial_build_worker (7, 15, linux.g5.4xlarge.nvidia.gpu)	17m 34s
pytorch_tutorial_build_worker (8, 15, linux.g5.4xlarge.nvidia.gpu)	17m 22s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	40m 13s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	23m 31s
pytorch_tutorial_build_worker (14, 15, linux.g5.4xlarge.nvidia.gpu)	22m 19s
pytorch_tutorial_build_worker (13, 15, linux.g5.4xlarge.nvidia.gpu)	19m 58s
pytorch_tutorial_build_worker (11, 15, linux.g5.4xlarge.nvidia.gpu)	35m 13s
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	15m 10s
pytorch_tutorial_build_worker (9, 15, linux.g5.4xlarge.nvidia.gpu)	27m 21s
pytorch_tutorial_build_worker (12, 15, linux.g5.4xlarge.nvidia.gpu)	23m 18s
pytorch_tutorial_build_worker (15, 15, linux.g5.4xlarge.nvidia.gpu)	18m 13s
pytorch_tutorial_build_manager	22m 29s
	6h 3m 41s

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