[SYCL][ESIMD][E2E] Fix esimd emulator stack overflow (#9209)

With the code running on the host, the #pragma unrolls cause absolutely
massive code that ends up overflowing the stack. Don't explicitly unroll
for the emulator.

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Signed-off-by: Sarnie, Nick <[email protected]>
Co-authored-by: Vyacheslav Klochkov <[email protected]>

Author: sarnex