[MTD] Remove references to ROOT_DEV from map drivers.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/drivers/mtd/maps/nettel.c b/drivers/mtd/maps/nettel.c
index 7b96cd02..8852562 100644
--- a/drivers/mtd/maps/nettel.c
+++ b/drivers/mtd/maps/nettel.c
@@ -421,10 +421,6 @@
 
 	intel_mtd->owner = THIS_MODULE;
 
-#ifndef CONFIG_BLK_DEV_INITRD
-	ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, 1);
-#endif
-
 	num_intel_partitions = sizeof(nettel_intel_partitions) /
 		sizeof(nettel_intel_partitions[0]);
 
diff --git a/drivers/mtd/maps/pmcmsp-ramroot.c b/drivers/mtd/maps/pmcmsp-ramroot.c
index 18049bc..30de5c0 100644
--- a/drivers/mtd/maps/pmcmsp-ramroot.c
+++ b/drivers/mtd/maps/pmcmsp-ramroot.c
@@ -79,7 +79,6 @@
 		rr_mtd->owner = THIS_MODULE;
 
 		add_mtd_device(rr_mtd);
-		ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, rr_mtd->index);
 
 		return 0;
 	}