orangefs-bufmap.h: trim unused junk

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>

fs/orangefs/orangefs-bufmap.h

@@ -7,8 +7,6 @@
 #ifndef __ORANGEFS_BUFMAP_H
 #define __ORANGEFS_BUFMAP_H
 
-struct orangefs_bufmap;
-
 int orangefs_bufmap_size_query(void);
 
 int orangefs_bufmap_shift_query(void);
@@ -35,11 +33,4 @@ int orangefs_bufmap_copy_to_iovec(struct iov_iter *iter,
 			      int buffer_index,
 			      size_t size);
 
-size_t orangefs_bufmap_copy_to_user_task_iovec(struct task_struct *tsk,
-					   struct iovec *iovec,
-					   unsigned long nr_segs,
-					   struct orangefs_bufmap *bufmap,
-					   int buffer_index,
-					   size_t bytes_to_be_copied);
-
 #endif /* __ORANGEFS_BUFMAP_H */