devicetree: remove usage of deprecated label property

Devicetree label property has been deprecated, so remove its usage.

Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>

Author: gmarull

app/boards/nucleo_f302r8.overlay

@@ -12,7 +12,6 @@
 / {
 	examplesensor0: examplesensor_0 {
 		compatible = "zephyr,examplesensor";
-		label = "EXAMPLESENSOR_0";
 		input-gpios = <&gpioc 13 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
 	};
 };

boards/arm/custom_plank/custom_plank.dts

@@ -18,7 +18,6 @@
 
 	examplesensor0: examplesensor_0 {
 		compatible = "zephyr,examplesensor";
-		label = "EXAMPLESENSOR_0";
 		input-gpios = <&gpio0 11 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
 	};
 };

dts/bindings/sensor/zephyr,examplesensor.yaml

@@ -9,7 +9,6 @@ description: |
 
     examplesensor {
         compatible = "zephyr,examplesensor";
-        label = "EXAMPLESENSOR";
         input-gpios = <&gpio0 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
     };