cns3xxx: remove bogus image added in r38703

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43396 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/cns3xxx/image/Makefile

@@ -15,10 +15,6 @@ endef
 define BuildFirmware/Generic
 	dd if=$(KDIR)/uImage of=$(KDIR)/uImage.pad bs=64k conv=sync; \
 	dd if=$(KDIR)/root.$(1) of=$(KDIR)/root.$(1).pad bs=128k conv=sync; \
-	sh $(TOPDIR)/scripts/combined-image.sh \
-		$(KDIR)/uImage.pad \
-		$(KDIR)/root.$(1).pad \
-		$(BIN_DIR)/$(IMG_PREFIX)-$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1)))-uboot-sysupgrade.bin
 	sh $(TOPDIR)/scripts/combined-image.sh \
 		$(KDIR)/uImage.pad \
 		$(KDIR)/root.$(1).pad \