iio: imu: kmx61: Remove unnecessary REG_INS1 read

Useful in the debugging phase, not needed now.
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Acked-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/iio/imu/kmx61.c

@@ -1192,8 +1192,6 @@ static irqreturn_t kmx61_event_handler(int irq, void *private)
 	if (ret < 0)
 		dev_err(&data->client->dev, "Error reading reg_inl\n");
 
-	ret = i2c_smbus_read_byte_data(data->client, KMX61_REG_INS1);
-
 	return IRQ_HANDLED;
 }