orangefs: remove detritus from struct orangefs_kiocb_s

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/orangefs/orangefs-kernel.h

@@ -274,12 +274,6 @@ struct orangefs_kiocb_s {
 	/* orangefs kernel operation type */
 	struct orangefs_kernel_op_s *op;
 
-	/* The user space buffers from/to which I/O is being staged */
-	struct iovec *iov;
-
-	/* number of elements in the iovector */
-	unsigned long nr_segs;
-
 	/* set to indicate the type of the operation */
 	int rw;