Remove duplicate code in jfs_dtree.c.

It looks like I had applied a patch to the code twice, and both succeeded.

fs/jfs/jfs_dtree.c

@@ -1910,22 +1910,6 @@ static int dtSplitRoot(tid_t tid,
 
 	rp->header.freecnt = sp->header.freecnt + rp->header.maxslot - n;
 
-	/*
-	 * Update directory index table for entries now in right page
-	 */
-	if ((rp->header.flag & BT_LEAF) && DO_INDEX(ip)) {
-		metapage_t *mp = 0;
-		ldtentry_t *ldtentry;
-
-		stbl = DT_GETSTBL(rp);
-		for (n = 0; n < rp->header.nextindex; n++) {
-			ldtentry = (ldtentry_t *) & rp->slot[stbl[n]];
-			modify_index(tid, ip, le32_to_cpu(ldtentry->index),
-				     rbn, n, &mp);
-		}
-		if (mp)
-			release_metapage(mp);
-	}
 	/*
 	 * Update directory index table for entries now in right page
 	 */
@@ -2940,12 +2924,6 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 				filp->f_pos = -1;
 				return 0;
 			}
-			if (p->header.flag & BT_INTERNAL) {
-				jERROR(1,("jfs_readdir: bad index table\n"));
-				DT_PUTPAGE(mp);
-				filp->f_pos = -1;
-				return 0;
-			}
 		} else {
 			if (dir_index == 0) {
 				/*