dt-bindings: net: dsa: Drop 'ethernet-ports' node properties

Constraints on 'ethernet-ports' node properties are already defined by the
reference to ethernet-switch.yaml, so they can be dropped from the DSA
schema.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231016-dt-net-cleanups-v1-8-a525a090b444@kernel.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

Documentation/devicetree/bindings/net/dsa/dsa.yaml

@@ -40,15 +40,6 @@ $defs:
 
     patternProperties:
       "^(ethernet-)?ports$":
-        type: object
-        additionalProperties: false
-
-        properties:
-          '#address-cells':
-            const: 1
-          '#size-cells':
-            const: 0
-
         patternProperties:
           "^(ethernet-)?port@[0-9a-f]+$":
             description: Ethernet switch ports