staging:iio:adc: header cleanup - remove unused.

Clear out all the excessive includes in the *_ring.c files.
Mixture of cut and paste bloat and things needed for code that
has gone away.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/iio/adc/ad7298_ring.c

@@ -7,17 +7,14 @@
  */
 
 #include <linux/interrupt.h>
-#include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
-#include <linux/sysfs.h>
 #include <linux/spi/spi.h>
 
 #include "../iio.h"
 #include "../ring_generic.h"
 #include "../ring_sw.h"
 #include "../trigger.h"
-#include "../sysfs.h"
 
 #include "ad7298.h"
 

drivers/staging/iio/adc/ad7476_ring.c

@@ -11,14 +11,12 @@
 #include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
-#include <linux/sysfs.h>
 #include <linux/spi/spi.h>
 
 #include "../iio.h"
 #include "../ring_generic.h"
 #include "../ring_sw.h"
 #include "../trigger.h"
-#include "../sysfs.h"
 
 #include "ad7476.h"
 

drivers/staging/iio/adc/ad7606_ring.c

@@ -10,13 +10,11 @@
 #include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
-#include <linux/sysfs.h>
 
 #include "../iio.h"
 #include "../ring_generic.h"
 #include "../ring_sw.h"
 #include "../trigger.h"
-#include "../sysfs.h"
 
 #include "ad7606.h"
 

drivers/staging/iio/adc/ad7887_ring.c

@@ -8,17 +8,14 @@
  */
 
 #include <linux/interrupt.h>
-#include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
-#include <linux/sysfs.h>
 #include <linux/spi/spi.h>
 
 #include "../iio.h"
 #include "../ring_generic.h"
 #include "../ring_sw.h"
 #include "../trigger.h"
-#include "../sysfs.h"
 
 #include "ad7887.h"
 

drivers/staging/iio/adc/ad799x_ring.c

@@ -10,10 +10,8 @@
  */
 
 #include <linux/interrupt.h>
-#include <linux/device.h>
 #include <linux/slab.h>
 #include <linux/kernel.h>
-#include <linux/sysfs.h>
 #include <linux/list.h>
 #include <linux/i2c.h>
 #include <linux/bitops.h>
@@ -22,7 +20,6 @@
 #include "../ring_generic.h"
 #include "../ring_sw.h"
 #include "../trigger.h"
-#include "../sysfs.h"
 
 #include "ad799x.h"
 

drivers/staging/iio/adc/max1363_ring.c

@@ -9,11 +9,8 @@
  */
 
 #include <linux/interrupt.h>
-#include <linux/device.h>
 #include <linux/slab.h>
 #include <linux/kernel.h>
-#include <linux/sysfs.h>
-#include <linux/list.h>
 #include <linux/i2c.h>
 #include <linux/bitops.h>
 
@@ -21,7 +18,6 @@
 #include "../ring_generic.h"
 #include "../ring_sw.h"
 #include "../trigger.h"
-#include "../sysfs.h"
 
 #include "max1363.h"