[MLIR][XeGPU] bug fix: removing temporary slice layout at the pass end (#172589)
Removing temporary slice layout (besides the regular layout) at the end
of wg distribution and blocking pass.
The PR also drop sg_data/inst_data from anchor layouts in every
wg-to-sg/blocking/unrolling pattern.
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Signed-off-by: Dmitry Chigarev <dmitry.chigarev@intel.com>
Co-authored-by: Dmitry Chigarev <dmitry.chigarev@intel.com>