dt-bindings: mailbox: qcom,apcs-kpss-global: drop mbox-names from example

Qualcomm G-Link RPM edge bindings do not allow and do not use mbox-names
property.

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Bjorn Andersson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: krzk

Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml

@@ -155,7 +155,6 @@ examples:
         interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
         qcom,rpm-msg-ram = <&rpm_msg_ram>;
         mboxes = <&apcs_glb 0>;
-        mbox-names = "rpm_hlos";
     };
 
   # Example apcs with qcs404