dt-bindings: serial: drop unsupported samsung bindings

Now that no implementation exists anymore for
samsung,s3c24(1[02]|40)-uart, remove those bindings from here as well.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231019100639.4026283-2-andre.draszik@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: andred

Documentation/devicetree/bindings/serial/samsung_uart.yaml

@@ -24,9 +24,6 @@ properties:
       - enum:
           - apple,s5l-uart
           - axis,artpec8-uart
-          - samsung,s3c2410-uart
-          - samsung,s3c2412-uart
-          - samsung,s3c2440-uart
           - samsung,s3c6400-uart
           - samsung,s5pv210-uart
           - samsung,exynos4210-uart
@@ -94,7 +91,6 @@ allOf:
         compatible:
           contains:
             enum:
-              - samsung,s3c2410-uart
               - samsung,s5pv210-uart
     then:
       properties: