hfsplus: Remove unused xattr handler list operations

The list operations can never be called; they are even documented to be
unused.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/hfsplus/xattr_user.c

@@ -26,19 +26,8 @@ static int hfsplus_user_setxattr(struct dentry *dentry, const char *name,
 				XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
 }
 
-static size_t hfsplus_user_listxattr(struct dentry *dentry, char *list,
-		size_t list_size, const char *name, size_t name_len, int type)
-{
-	/*
-	 * This method is not used.
-	 * It is used hfsplus_listxattr() instead of generic_listxattr().
-	 */
-	return -EOPNOTSUPP;
-}
-
 const struct xattr_handler hfsplus_xattr_user_handler = {
 	.prefix	= XATTR_USER_PREFIX,
-	.list	= hfsplus_user_listxattr,
 	.get	= hfsplus_user_getxattr,
 	.set	= hfsplus_user_setxattr,
 };