sysctl: Remove superfluous includes from kernel/sysctl.c

Remove the following headers from the include list in sysctl.c.

* These are removed as the related variables are no longer there.
=================== ====================
Include Related Var
=================== ====================
linux/kmod.h usermodehelper
asm/nmi.h nmi_watchdoc_enabled
asm/io.h io_delay_type
linux/pid.h pid_max_{,min,max}
linux/sched/sysctl.h sysctl_{sched_*,numa_*,timer_*}
linux/mount.h sysctl_mount_max
linux/reboot.h poweroff_cmd
linux/ratelimit.h {,printk_}ratelimit_state
linux/printk.h kptr_restrict
linux/security.h CONFIG_SECURITY_CAPABILITIES
linux/net.h net_table
linux/key.h key_sysctls
linux/nvs_fs.h acpi_video_flags
linux/acpi.h acpi_video_flags
linux/fs.h proc_nr_files

* These are no longer needed as intermediate includes
==============
Include
==============
linux/filter.h
linux/binfmts.h

Reviewed-by: Kees Cook <[e-mail]>
Reviewed-by: Luis Chamberlain <[e-mail]>
Signed-off-by: Joel Granados <[e-mail]>

kernel/sysctl.c

···
 
 #include <linux/sysctl.h>
 #include <linux/bitmap.h>
-#include <linux/printk.h>
 #include <linux/proc_fs.h>
-#include <linux/security.h>
 #include <linux/ctype.h>
-#include <linux/filter.h>
-#include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/kobject.h>
-#include <linux/net.h>
 #include <linux/highuid.h>
 #include <linux/writeback.h>
-#include <linux/ratelimit.h>
 #include <linux/initrd.h>
-#include <linux/key.h>
 #include <linux/times.h>
 #include <linux/limits.h>
 #include <linux/syscalls.h>
-#include <linux/nfs_fs.h>
-#include <linux/acpi.h>
-#include <linux/reboot.h>
-#include <linux/kmod.h>
 #include <linux/capability.h>
-#include <linux/binfmts.h>
-#include <linux/sched/sysctl.h>
-#include <linux/mount.h>
-#include <linux/pid.h>
 
 #include "../lib/kstrtox.h"
 
 #include <linux/uaccess.h>
 #include <asm/processor.h>
-
-#ifdef CONFIG_X86
-#include <asm/nmi.h>
-#include <asm/io.h>
-#endif
 
 /* shared constants to be used in various sysctls */
 const int sysctl_vals[] = { 0, 1, 2, 3, 4, 100, 200, 1000, 3000, INT_MAX, 65535, -1 };