Remove e5m2 from f8f8bf16_rowwise_batched #18769

Job	Run time
build-windows (windows-2022, static)	12m 26s
build-bazel (x86, linux.12xlarge, clang)	9m 38s
build-linux (x86, linux.12xlarge, shared, gcc, 9.5.0)	25m 43s
build-bazel (x86, linux.12xlarge, gcc)	9m 59s
build-macos (macos-13, static)	17m 29s
build-linux (x86, linux.12xlarge, shared, clang, 16.0.6)	19m 56s
build-linux (x86, linux.12xlarge, static, gcc, 14.1.0)	26m 19s
build-linux (x86, linux.12xlarge, static, clang, 16.0.6)	20m 14s
build-macos (macos-13, shared)	20m 0s
build-linux (arm, linux.arm64.m7g.4xlarge, static, clang, 16.0.6)	33m 8s
build-linux (x86, linux.12xlarge, shared, gcc, 14.1.0)	26m 39s
build-linux (arm, linux.arm64.m7g.4xlarge, shared, gcc, 14.1.0)	1h 26m 41s
build-linux (arm, linux.arm64.m7g.4xlarge, static, gcc, 14.1.0)	1h 25m 0s
build-linux (x86, linux.12xlarge, static, gcc, 9.5.0)	25m 50s
build-linux (arm, linux.arm64.m7g.4xlarge, shared, clang, 16.0.6)	33m 0s
build-windows (windows-2022, shared)	12m 32s
	7h 44m 34s

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