Enable store block IO for all layout by default #4909
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This PR enables block IO lowering for store op for all layout encoding by default, but it can still be disabled by
TRITON_INTEL_ENABLE_BLOCK_IO_ALL_LAYOUTS=0.Will remove the env var
TRITON_INTEL_ENABLE_BLOCK_IO_ALL_LAYOUTSin another PR when no regressions identified.Benchmark CI: https://github.com/intel/intel-xpu-backend-for-triton/actions/runs/16999210949