dt-bindings: iio: honeywell,mprls0025pa: drop ref from pressure properties

The dtschema treats now properties with '-pascal' suffix as standard one
and already defines $ref for them, thus the $ref should be dropped from
the bindings.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231129111041.26782-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml

@@ -53,12 +53,10 @@ properties:
   honeywell,pmin-pascal:
     description:
       Minimum pressure value the sensor can measure in pascal.
-    $ref: /schemas/types.yaml#/definitions/uint32
 
   honeywell,pmax-pascal:
     description:
       Maximum pressure value the sensor can measure in pascal.
-    $ref: /schemas/types.yaml#/definitions/uint32
 
   honeywell,transfer-function:
     description: |