[SYCL][Doc] Simplify non-uniform group design (#14604) #2664

Job	Run time
macOS / Build	59m 35s
Linux (Self build + no-assertions) / Build + LIT	8m 40s
build-win / Build + LIT	43m 9s
e2e-lin (AMD/HIP, ["Linux", "amdgpu"], ghcr.io/intel/llvm/ubuntu2204_build:latest, -u 1001 --devi... / AMD/HIP	1s
e2e-lin (Intel GEN12 Graphics with Level Zero, ["Linux", "gen12"], --param gpu-intel-gen12=True, ... / Intel GEN12 Graphics with Level Zero	33m 0s
e2e-lin (Intel Arc A-Series Graphics with Level Zero, ["Linux", "arc"], --param matrix-xmx8=True ... / Intel Arc A-Series Graphics with Level Zero	12m 6s
e2e-lin (Perf tests on Intel Arc A-Series Graphics system, ["Linux", "arc"], {"LIT_FILTER":"Perfo... / Perf tests on Intel Arc A-Series Graphics system	1m 27s
e2e-lin (Perf tests on Intel GEN12 Graphics system, ["Linux", "gen12"], {"LIT_FILTER":"Performanc... / Perf tests on Intel GEN12 Graphics system	1m 51s
e2e-win / Intel GEN12 Graphics with Level Zero	41m 54s
	3h 21m 43s

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