PCI: hotplug: Drop superfluous #include directives

In February 2003, historic commit

https://git.kernel.org/tglx/history/c/280c1c9a0ea4
("[PATCH] PCI Hotplug: Replace pcihpfs with sysfs.")

removed all invocations of __get_free_page() and free_page() from the PCI
hotplug core without also removing the #include <linux/pagemap.h>
directive.

It removed all invocations of kern_mount(), mntget() and mntput()
without also removing the #include <linux/mount.h> directive.

It removed all invocations of lookup_hash()
without also removing the #include <linux/namei.h> directive.

It removed all invocations of copy_to_user() and copy_from_user()
without also removing the #include <linux/uaccess.h> directive.

These #include directives are still unnecessary today, so drop them.

Signed-off-by: Lukas Wunner <[e-mail]>
Signed-off-by: Bjorn Helgaas <[e-mail]>
Link: https://patch.msgid.link/[e-mail]

drivers/pci/hotplug/pci_hotplug_core.c

···
 #include <linux/types.h>
 #include <linux/kobject.h>
 #include <linux/sysfs.h>
-#include <linux/pagemap.h>
 #include <linux/init.h>
-#include <linux/mount.h>
-#include <linux/namei.h>
 #include <linux/pci.h>
 #include <linux/pci_hotplug.h>
-#include <linux/uaccess.h>
 #include "../pci.h"
 #include "cpci_hotplug.h"