Revert "[SYCL] fix error when set main gpu to non-zero (llama/5901)" (llama/5918)

fix error when set main gpu to non-zero (llama/5901)

add wait() to make code stable (llama/5895)

fix mul_mat fault in CI/unit-test (llama/5862)

ggml : introduce ggml_status (ggml/750)

Support multiple GPUs (split mode) on SYCL backend (llama/5806)

Use batched mul_mat pathway (llama/5591)

Add support for soft_max ALiBi (llama/5639)

code : normalize enum names (llama/5697)

Introduce backend GUIDs (ggml/743)

conext add name (llama/5624)

Update ggml_sycl_op_mul_mat_vec_q (llama/5502)

ggml-sycl: Replace 3d ops with macro (llama/5458)

src : relocate new backend sources