autofs: remove obsolete sb fields

These two were left from commit aa55ddf340c9 ("autofs4: remove unused
ioctls") which removed unused ioctls.

Link: http://lkml.kernel.org/r/20160812024810.12352.96377.stgit@pluto.themaw.net
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Signed-off-by: Ian Kent <ikent@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index eb87055..73e3d38 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -111,8 +111,6 @@
 	int max_proto;
 	unsigned long exp_timeout;
 	unsigned int type;
-	int reghost_enabled;
-	int needs_reghost;
 	struct super_block *sb;
 	struct mutex wq_mutex;
 	struct mutex pipe_mutex;