[source] ramips: really drop the rt-n56u factory image

[LEDE Commits]

mkresin pushed a commit to source.git, branch master:
https://git.lede-project.org/8322dba029034b0a8a2c2dd57250cd225aa5abc9

commit 8322dba029034b0a8a2c2dd57250cd225aa5abc9
Author: Mathias Kresin <dev at kresin.me>
AuthorDate: Thu Apr 13 19:20:07 2017 +0200

    ramips: really drop the rt-n56u factory image
    
    Remove the stale reference to the factory image.
    
    Signed-off-by: Mathias Kresin <dev at kresin.me>
---
 target/linux/ramips/image/rt3883.mk | 1 -
 1 file changed, 1 deletion(-)

diff --git a/target/linux/ramips/image/rt3883.mk b/target/linux/ramips/image/rt3883.mk
index 973eab9..2cd60f3 100644
--- a/target/linux/ramips/image/rt3883.mk
+++ b/target/linux/ramips/image/rt3883.mk
@@ -72,7 +72,6 @@ TARGET_DEVICES += hpm
 define Device/rt-n56u
   DTS := RT-N56U
   BLOCKSIZE := 64k
-  IMAGES += factory.bin
   IMAGE/sysupgrade.bin += | mkrtn56uimg -s
   DEVICE_TITLE := Asus RT-N56U
   DEVICE_PACKAGES := kmod-usb-core kmod-usb-ohci kmod-usb2 swconfig