ntfs: simplfy one-level sysctl registration for ntfs_sysctls

There is no need to declare an extra tables to just create directory,
this can be easily be done with a prefix path with register_sysctl().

Simplify this registration.
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>

fs/ntfs/sysctl.c

@@ -31,16 +31,6 @@ static struct ctl_table ntfs_sysctls[] = {
 	{}
 };
 
-/* Define the parent directory /proc/sys/fs. */
-static struct ctl_table sysctls_root[] = {
-	{
-		.procname	= "fs",
-		.mode		= 0555,
-		.child		= ntfs_sysctls
-	},
-	{}
-};
-
 /* Storage for the sysctls header. */
 static struct ctl_table_header *sysctls_root_table;
 
@@ -54,7 +44,7 @@ int ntfs_sysctl(int add)
 {
 	if (add) {
 		BUG_ON(sysctls_root_table);
-		sysctls_root_table = register_sysctl_table(sysctls_root);
+		sysctls_root_table = register_sysctl("fs", ntfs_sysctls);
 		if (!sysctls_root_table)
 			return -ENOMEM;
 	} else {