dt-bindings: clock: rockchip,rk3588-cru: drop unneeded assigned-clocks

assigned-clocks property is redundant, because core dtschema allows them
if clocks are provided.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240818173014.122073-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml

@@ -42,10 +42,6 @@ properties:
       - const: xin24m
       - const: xin32k
 
-  assigned-clocks: true
-
-  assigned-clock-rates: true
-
   rockchip,grf:
     $ref: /schemas/types.yaml#/definitions/phandle
     description: >