[openwrt/openwrt] image: drop combined-image build recipe

[LEDE Commits]

adrian pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/1cdba3d19e32fcfc32037ceb3591e6c78fc34f20

commit 1cdba3d19e32fcfc32037ceb3591e6c78fc34f20
Author: Adrian Schmutzler <freifunk at adrianschmutzler.de>
AuthorDate: Mon Oct 26 20:39:47 2020 +0100

    image: drop combined-image build recipe
    
    Build/combined-image is only used in ath25 target, and that defines
    its own version. Thus, drop the unused definition in image-commands.mk.
    
    Signed-off-by: Adrian Schmutzler <freifunk at adrianschmutzler.de>
---
 include/image-commands.mk | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/include/image-commands.mk b/include/image-commands.mk
index ea94059d20..454ce79e07 100644
--- a/include/image-commands.mk
+++ b/include/image-commands.mk
@@ -285,14 +285,6 @@ define Build/check-size
 	}
 endef
 
-define Build/combined-image
-	-sh $(TOPDIR)/scripts/combined-image.sh \
-		"$(IMAGE_KERNEL)" \
-		"$@" \
-		"$@.new"
-	@mv $@.new $@
-endef
-
 define Build/linksys-image
 	$(TOPDIR)/scripts/linksys-image.sh \
 		"$(call param_get_default,type,$(1),$(DEVICE_NAME))" \