libext2fs: remove unused jfs_dat.h file

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
diff --git a/lib/ext2fs/jfs_dat.h b/lib/ext2fs/jfs_dat.h
deleted file mode 100644
index 62778c6..0000000
--- a/lib/ext2fs/jfs_dat.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * jfs_dat.h --- stripped down header file which only contains the JFS
- * 	on-disk data structures
- */
-
-#define JFS_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */
-
-/*
- * On-disk structures
- */
-
-/*
- * Descriptor block types:
- */
-
-#define JFS_DESCRIPTOR_BLOCK	1
-#define JFS_COMMIT_BLOCK	2
-#define JFS_SUPERBLOCK		3
-
-/*
- * Standard header for all descriptor blocks:
- */
-typedef struct journal_header_s
-{
-	__u32		h_magic;
-	__u32		h_blocktype;
-	__u32		h_sequence;
-} journal_header_t;
-
-
-/*
- * The block tag: used to describe a single buffer in the journal
- */
-typedef struct journal_block_tag_s
-{
-	__u32		t_blocknr;	/* The on-disk block number */
-	__u32		t_flags;	/* See below */
-} journal_block_tag_t;
-
-/* Definitions for the journal tag flags word: */
-#define JFS_FLAG_ESCAPE		1	/* on-disk block is escaped */
-#define JFS_FLAG_SAME_UUID	2	/* block has same uuid as previous */
-#define JFS_FLAG_DELETED	4	/* block deleted by this transaction */
-#define JFS_FLAG_LAST_TAG	8	/* last tag in this descriptor block */
-
-
-/*
- * The journal superblock
- */
-typedef struct journal_superblock_s
-{
-	journal_header_t s_header;
-
-	/* Static information describing the journal */
-	__u32		s_blocksize;	/* journal device blocksize */
-	__u32		s_maxlen;	/* total blocks in journal file */
-	__u32		s_first;	/* first block of log information */
-
-	/* Dynamic information describing the current state of the log */
-	__u32		s_sequence;	/* first commit ID expected in log */
-	__u32		s_start;	/* blocknr of start of log */
-
-} journal_superblock_t;
-