iio: cros_ec: Drop unnecessary include files

The cros_ec sensors drivers do not call any sysfs functions
or use any sysfs defines, and thus do not need to include
linux/sysfs.h. Also, some cros_ec drivers include linux/delay.h
and is not used.
Signed-off-by: Guenter Roeck <groeck@chromium.org>
[remove linux/delay.h]
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/accel/cros_ec_accel_legacy.c

@@ -29,7 +29,6 @@
 #include <linux/mfd/cros_ec_commands.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <linux/sysfs.h>
 #include <linux/platform_device.h>
 
 #define DRV_NAME	"cros-ec-accel-legacy"

drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c

@@ -16,7 +16,6 @@
  * EC about sensors data. Data access is presented through iio sysfs.
  */
 
-#include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/iio/buffer.h>
 #include <linux/iio/common/cros_ec_sensors_core.h>
@@ -30,7 +29,6 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
-#include <linux/sysfs.h>
 
 #define CROS_EC_SENSORS_MAX_CHANNELS 4
 

drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c

@@ -25,7 +25,6 @@
 #include <linux/mfd/cros_ec_commands.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <linux/sysfs.h>
 #include <linux/platform_device.h>
 
 static char *cros_ec_loc[] = {

drivers/iio/light/cros_ec_light_prox.c

@@ -13,7 +13,6 @@
  * GNU General Public License for more details.
  */
 
-#include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/iio/buffer.h>
 #include <linux/iio/common/cros_ec_sensors_core.h>
@@ -28,7 +27,6 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
-#include <linux/sysfs.h>
 
 /*
  * We only represent one entry for light or proximity. EC is merging different

drivers/iio/pressure/cros_ec_baro.c

@@ -13,7 +13,6 @@
  * GNU General Public License for more details.
  */
 
-#include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/iio/buffer.h>
 #include <linux/iio/common/cros_ec_sensors_core.h>