staging: kpc2000: removed two kpc_uio_class device attributes.

The show functions of two attributes output nothing and they are unused.
Removed them.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Reported-by: Matt Sickler <matt.sickler@daktronics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/kpc2000/kpc2000/cell_probe.c

@@ -172,20 +172,6 @@ static ssize_t type_show(struct device *dev, struct device_attribute *attr,
 }
 static DEVICE_ATTR_RO(type);
 
-static ssize_t s2c_dma_ch_show(struct device *dev,
-			       struct device_attribute *attr, char *buf)
-{
-	return 0;
-}
-static DEVICE_ATTR_RO(s2c_dma_ch);
-
-static ssize_t c2s_dma_ch_show(struct device *dev,
-			       struct device_attribute *attr, char *buf)
-{
-	return 0;
-}
-static DEVICE_ATTR_RO(c2s_dma_ch);
-
 static ssize_t s2c_dma_show(struct device *dev, struct device_attribute *attr,
 			    char *buf)
 {
@@ -241,8 +227,6 @@ struct attribute *kpc_uio_class_attrs[] = {
 	&dev_attr_offset.attr,
 	&dev_attr_size.attr,
 	&dev_attr_type.attr,
-	&dev_attr_s2c_dma_ch.attr,
-	&dev_attr_c2s_dma_ch.attr,
 	&dev_attr_s2c_dma.attr,
 	&dev_attr_c2s_dma.attr,
 	&dev_attr_irq_count.attr,