HID: logitech-hidpp: Fix syntax errors in comments

Delete the redundant word 'in'.
Signed-off-by: Xiang wangx <wangxiang@cdjrlc.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-logitech-hidpp.c

@@ -1694,7 +1694,7 @@ static int hidpp_battery_get_property(struct power_supply *psy,
 			val->strval = hidpp->hid_dev->uniq;
 			break;
 		case POWER_SUPPLY_PROP_VOLTAGE_NOW:
-			/* hardware reports voltage in in mV. sysfs expects uV */
+			/* hardware reports voltage in mV. sysfs expects uV */
 			val->intval = hidpp->battery.voltage * 1000;
 			break;
 		case POWER_SUPPLY_PROP_CHARGE_TYPE: