power: bq27xxx_battery: Remove unneeded dependency in Kconfig

I2C is only required when using the config item BATTERY_BQ27XXX_I2C which
already depends on the I2C subsystem, remove the unneeded dependency from
BATTERY_BQ27XXX.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

drivers/power/Kconfig

@@ -159,7 +159,6 @@ config BATTERY_SBS
 
 config BATTERY_BQ27XXX
 	tristate "BQ27xxx battery driver"
-	depends on I2C || I2C=n
 	help
 	  Say Y here to enable support for batteries with BQ27xxx (I2C/HDQ) chips.