power/supply: fix repeated words in comments

Delete the redundant word 'the'.
Signed-off-by: wangjianli <wangjianli@cdjrlc.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/supply/ab8500_charger.c

@@ -1940,7 +1940,7 @@ static int ab8500_charger_get_ext_psy_data(struct device *dev, void *data)
  *
  * Due to a asic bug it is necessary to lower the input current to the vbus
  * charger when charging with at some specific levels. This issue is only valid
- * for below a certain battery voltage. This function makes sure that the
+ * for below a certain battery voltage. This function makes sure that
  * the allowed current limit isn't exceeded.
  */
 static void ab8500_charger_check_vbat_work(struct work_struct *work)