hfsplus: remove the unused hfsplus_kmap/hfsplus_kunmap helpers

Signed-off-by: Christoph Hellwig <hch@tuxera.com>

fs/hfsplus/hfsplus_fs.h

@@ -398,14 +398,6 @@ static inline struct hfsplus_inode_info *HFSPLUS_I(struct inode *inode)
 	return list_entry(inode, struct hfsplus_inode_info, vfs_inode);
 }
 
-#if 1
-#define hfsplus_kmap(p)		({ struct page *__p = (p); kmap(__p); })
-#define hfsplus_kunmap(p)	({ struct page *__p = (p); kunmap(__p); __p; })
-#else
-#define hfsplus_kmap(p)		kmap(p)
-#define hfsplus_kunmap(p)	kunmap(p)
-#endif
-
 #define sb_bread512(sb, sec, data) ({			\
 	struct buffer_head *__bh;			\
 	sector_t __block;				\