auxdisplay: ks0108: remove superfluous header files

ks0108.c doesn't use any macro or function declared in
linux/fs.h, linux/io.h and linux/uaccess.h. Thus,
these files can be removed from ks0108.c safely without
affecting the compilation.

Signed-off-by: Mianhan Liu <[e-mail]>
[reworded]
Signed-off-by: Miguel Ojeda <[e-mail]>

drivers/auxdisplay/ks0108.c

···
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
-#include <linux/fs.h>
-#include <linux/io.h>
 #include <linux/parport.h>
-#include <linux/uaccess.h>
 #include <linux/ks0108.h>
 
 #define KS0108_NAME "ks0108"