fs/partitions/acorn.c: remove dead code

I missed this when I did the arm26 removal.
Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/partitions/acorn.c

@@ -275,16 +275,6 @@ adfspart_check_ADFS(struct parsed_partitions *state, struct block_device *bdev)
 	id = data[0x1fc] & 15;
 	put_dev_sector(sect);
 
-#ifdef CONFIG_BLK_DEV_MFM
-	if (MAJOR(bdev->bd_dev) == MFM_ACORN_MAJOR) {
-		extern void xd_set_geometry(struct block_device *,
-			unsigned char, unsigned char, unsigned int);
-		xd_set_geometry(bdev, dr->secspertrack, heads, 1);
-		invalidate_bh_lrus();
-		truncate_inode_pages(bdev->bd_inode->i_mapping, 0);
-	}
-#endif
-
 	/*
 	 * Work out start of non-adfs partition.
 	 */