arm64: dts: qcom: sc8280xp: drop incorrect domain idle states properties

Domain idle states do not use 'idle-state-name':

  sc8280xp-crd.dtb: domain-idle-states: cluster-sleep-0: 'idle-state-name' does not match any of the regexes: 'pinctrl-[0-9]+'
Reported-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/all/20230323-topic-sm8450-upstream-dt-bindings-fixes-v1-4-3ead1e418fe4@linaro.org/Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230324073813.22158-6-krzysztof.kozlowski@linaro.org

arch/arm64/boot/dts/qcom/sc8280xp.dtsi

@@ -276,7 +276,6 @@ BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
 		domain-idle-states {
 			CLUSTER_SLEEP_0: cluster-sleep-0 {
 				compatible = "domain-idle-state";
-				idle-state-name = "cluster-power-collapse";
 				arm,psci-suspend-param = <0x4100c344>;
 				entry-latency-us = <3263>;
 				exit-latency-us = <6562>;