[source] build: remove image specific checksum code

[LEDE Commits]

jow pushed a commit to source.git, branch master:
https://git.lede-project.org/?p=source.git;a=commitdiff;h=83175687c81bee594885d0738cfd488673f5a3fb

commit 83175687c81bee594885d0738cfd488673f5a3fb
Author: Jo-Philipp Wich <jo at mein.io>
AuthorDate: Tue Jul 26 15:08:19 2016 +0200

    build: remove image specific checksum code
    
    Now that we globally calculate sha256sums over the bin/ directory we can remove
    the target image specific checksum handling.
    
    Signed-off-by: Jo-Philipp Wich <jo at mein.io>
---
 include/image.mk | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/include/image.mk b/include/image.mk
index 415618d..91862c4 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -265,12 +265,6 @@ define Image/mkfs/prepare
 endef
 
 
-define Image/Checksum
-	( cd ${BIN_DIR} ; \
-		$(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs $1 > $2 \
-	)
-endef
-
 ifdef CONFIG_TARGET_ROOTFS_TARGZ
   define Image/Build/targz
 	$(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
@@ -569,7 +563,5 @@ define BuildImage
 	$(MAKE) legacy-images
 
   install: install-images
-	$(call Image/Checksum,md5sum --binary,md5sums)
-	$(call Image/Checksum,openssl dgst -sha256,sha256sums)
 
 endef