ARM: dts: s5pv210: remove empty camera pinctrl configuration

The camera's pinctrl configuration is simply empty and not effective.
Remove it to fix dtbs_check warnings like:

  s5pv210-torbreck.dtb: camera@fa600000: pinctrl-0: True is not of type 'array'
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20230421190202.15471-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

arch/arm/boot/dts/s5pv210.dtsi

@@ -549,8 +549,6 @@ i2c1: i2c@fab00000 {
 
 		camera: camera@fa600000 {
 			compatible = "samsung,fimc";
-			pinctrl-names = "default";
-			pinctrl-0 = <>;
 			clocks = <&clocks SCLK_CAM0>, <&clocks SCLK_CAM1>;
 			clock-names = "sclk_cam0", "sclk_cam1";
 			#address-cells = <1>;