Remove barriers post execution scheduling #33804

Job	Run time
setup / setup	8s
runtime :: ubuntu-24.04	1m 18s
runtime_small	2m 19s
runtime :: windows-2022	2m 35s
runtime :: macos-14	1m 22s
runtime_tracing :: ubuntu-24.04 :: tracy	1m 4s
runtime_tracing :: ubuntu-24.04 :: console	1m 2s
runtime_tracing :: windows-2022 :: tracy	2m 28s
runtime_tracing :: windows-2022 :: console	2m 28s
runtime_tracing :: macos-14 :: tracy	1m 3s
runtime_tracing :: macos-14 :: console	58s
linux_x64_bazel / linux_x64_bazel	18m 27s
linux_x64_clang / linux_x64_clang	14m 30s
linux_x64_clang_asan / linux_x64_clang_asan	24m 17s
ci_summary / summary	2s
	1h 14m 1s

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