security/ cleanups

This patch contains the following cleanups that are now possible:
- remove the unused security_operations->inode_xattr_getsuffix
- remove the no longer used security_operations->unregister_security
- remove some no longer required exit code
- remove a bunch of no longer used exports

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: James Morris <jmorris@namei.org>
Cc: Chris Wright <chrisw@sous-sol.org>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

security/inode.c

@@ -332,14 +332,6 @@ static int __init securityfs_init(void)
 	return retval;
 }
 
-static void __exit securityfs_exit(void)
-{
-	simple_release_fs(&mount, &mount_count);
-	unregister_filesystem(&fs_type);
-	subsystem_unregister(&security_subsys);
-}
-
 core_initcall(securityfs_init);
-module_exit(securityfs_exit);
 MODULE_LICENSE("GPL");