[LLVMGPUVectorDistribute] Refactor vector.contract distribute #33858

Job	Run time
setup / setup	6s
runtime_small	2m 32s
runtime :: ubuntu-24.04	5m 9s
runtime :: ubuntu-24.04-arm	1m 34s
runtime :: windows-2022	3m 39s
runtime :: macos-14	1m 39s
runtime_tracing :: ubuntu-24.04 :: tracy	3m 40s
runtime_tracing :: ubuntu-24.04 :: console	1m 6s
runtime_tracing :: ubuntu-24.04-arm :: tracy	1m 11s
runtime_tracing :: ubuntu-24.04-arm :: console	1m 9s
runtime_tracing :: windows-2022 :: tracy	1m 59s
runtime_tracing :: windows-2022 :: console	2m 39s
runtime_tracing :: macos-14 :: tracy	1m 14s
runtime_tracing :: macos-14 :: console	58s
linux_x64_bazel / linux_x64_bazel	31m 34s
linux_x64_clang / linux_x64_clang	16m 4s
linux_x64_clang_asan / linux_x64_clang_asan	25m 9s
ci_summary / summary	2s
	1h 41m 24s

Provide feedback