arm64: dts: qcom: sm8450: remove invalid properties in cluster-sleep nodes

Fixes the following DT bindings check error:
domain-idle-states: cluster-sleep-0: 'idle-state-name', 'local-timer-stop' do not match any of the regexes:
'pinctrl-[0-9]+'
domain-idle-states: cluster-sleep-1: 'idle-state-name', 'local-timer-stop' do not match any of the regexes:
'pinctrl-[0-9]+'
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230323-topic-sm8450-upstream-dt-bindings-fixes-v2-2-0ca1bea1a843@linaro.org

arch/arm64/boot/dts/qcom/sm8450.dtsi

@@ -256,22 +256,18 @@ 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-l3-off";
 				arm,psci-suspend-param = <0x41000044>;
 				entry-latency-us = <1050>;
 				exit-latency-us = <2500>;
 				min-residency-us = <5309>;
-				local-timer-stop;
 			};
 
 			CLUSTER_SLEEP_1: cluster-sleep-1 {
 				compatible = "domain-idle-state";
-				idle-state-name = "cluster-power-collapse";
 				arm,psci-suspend-param = <0x4100c344>;
 				entry-latency-us = <2700>;
 				exit-latency-us = <3500>;
 				min-residency-us = <13959>;
-				local-timer-stop;
 			};
 		};
 	};