boot: zephyr: cleanup nrf52840_pca10059 configuration
Cleanup board configuration.
-
-# Needed by CDC ACM
+# Serial
CONFIG_SERIAL=y
CONFIG_UART_NRFX=y
CONFIG_UART_INTERRUPT_DRIVEN=y
@@ -29,6 +28,3 @@ CONFIG_USB_MASS_STORAGE=n
# Logging
CONFIG_SYS_LOG_DEFAULT_LEVEL=1
-CONFIG_SYS_LOG_USB_CDC_ACM_LEVEL=1
-CONFIG_SYS_LOG_USB_DRIVER_LEVEL=1
-CONFIG_SYS_LOG_USB_DEVICE_LEVEL=1
