samples: drivers: adc: Remove ADC node from overlay

- Since ADC node is now enabled in the base dt, this is no longer
  required

Signed-off-by: Ayush Singh <[email protected]>

Author: Ayush1325

samples/drivers/adc/adc_dt/boards/beagleconnect_freedom.overlay

@@ -16,64 +16,3 @@
 		 */
 	};
 };
-
-&adc0 {
-	status = "okay";
-
-	#address-cells = <1>;
-	#size-cells = <0>;
-
-	/* MB1 AN */
-	channel@9 {
-		reg = <9>;
-		zephyr,gain = "ADC_GAIN_1";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,resolution = <12>;
-	};
-
-	/* MB2 AN */
-	channel@a {
-		reg = <10>;
-		zephyr,gain = "ADC_GAIN_1";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,resolution = <12>;
-	};
-
-	/* MB1/2 SCL */
-	channel@b {
-		reg = <11>;
-		zephyr,gain = "ADC_GAIN_1";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,resolution = <12>;
-	};
-
-	/* MB1/2 SDA */
-	channel@c {
-		reg = <12>;
-		zephyr,gain = "ADC_GAIN_1";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,resolution = <12>;
-	};
-
-	/* MB2 CS */
-	channel@d {
-		reg = <13>;
-		zephyr,gain = "ADC_GAIN_1";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,resolution = <12>;
-	};
-
-	/* MB1 CS */
-	channel@e {
-		reg = <14>;
-		zephyr,gain = "ADC_GAIN_1";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,resolution = <12>;
-	};
-};