dt-bindings: remoteproc: qcom,sm8550-pas: Drop SM8750 ADSP from if-branch

dt-bindings: remoteproc: qcom,sm8550-pas: Drop SM8750 ADSP from if-branch

The binding for SM8750 ADSP PAS uses SM8550 ADSP as fallback, thus
"if:then:" block with "contains:" and the fallback does not need to
mention qcom,sm8750-adsp-pas.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251223130533.58468-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>