power: supply: KConfig cleanup default n

The "default n" is not needed as it is, well, default. Clean
the KConfig by removing "default n".
Signed-off-by: NMatti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: NSebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/supply/Kconfig

@@ -671,7 +671,6 @@ config CHARGER_RT9455
 config CHARGER_CROS_USBPD
 	tristate "ChromeOS EC based USBPD charger"
 	depends on CROS_USBPD_NOTIFY
-	default n
 	help
 	  Say Y here to enable ChromeOS EC based USBPD charger
 	  driver. This driver gets various bits of information about
@@ -707,7 +706,6 @@ config CHARGER_BD70528
 	tristate "ROHM bd70528 charger driver"
 	depends on MFD_ROHM_BD70528
 	select LINEAR_RANGES
-	default n
 	help
 	  Say Y here to enable support for getting battery status
 	  information and altering charger configurations from charger