iio: health: Drop unnecessary -ENOMEM messages

The drivers do not require their own error messages for error
-ENOMEM, memory allocation failures. So remove the dev_err()
messages from the probe().

Signed-off-by: Dixit Parmar <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/iio/health/afe4403.c

···
 						   "%s-dev%d",
 						   indio_dev->name,
 						   iio_device_id(indio_dev));
-		if (!afe->trig) {
-			dev_err(dev, "Unable to allocate IIO trigger\n");
+		if (!afe->trig)
 			return -ENOMEM;
-		}
 
 		iio_trigger_set_drvdata(afe->trig, indio_dev);
 

drivers/iio/health/afe4404.c

···
 						   "%s-dev%d",
 						   indio_dev->name,
 						   iio_device_id(indio_dev));
-		if (!afe->trig) {
-			dev_err(dev, "Unable to allocate IIO trigger\n");
+		if (!afe->trig)
 			return -ENOMEM;
-		}
 
 		iio_trigger_set_drvdata(afe->trig, indio_dev);