[source] cns3xxx: remove obsolete jffs2 image build code

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/?p=source.git;a=commitdiff;h=cd243b1090952b1bb12d94e07825e450ca3d5118

commit cd243b1090952b1bb12d94e07825e450ca3d5118
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Tue Jul 19 17:26:31 2016 +0200

    cns3xxx: remove obsolete jffs2 image build code
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 target/linux/cns3xxx/image/Makefile | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/target/linux/cns3xxx/image/Makefile b/target/linux/cns3xxx/image/Makefile
index 13e5efd..8f29c6c 100644
--- a/target/linux/cns3xxx/image/Makefile
+++ b/target/linux/cns3xxx/image/Makefile
@@ -31,22 +31,6 @@ define Image/Build
 	cp $(KDIR)/uImage $(BIN_DIR)/$(IMG_PREFIX)-uImage
 endef
 
-define Image/Build/jffs2-64k
-	dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-$(1).img bs=64k conv=sync
-	( \
-	dd if=$(KDIR)/uImage bs=2048k conv=sync; \
-	dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
-	) > $(BIN_DIR)/$(IMG_PREFIX)-$(1).bin
-endef
-
-define Image/Build/jffs2-128k
-	dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-$(1).img bs=128k conv=sync
-	( \
-	dd if=$(KDIR)/uImage bs=2048k conv=sync; \
-	dd if=$(KDIR)/root.$(1) bs=128k conv=sync; \
-	) > $(BIN_DIR)/$(IMG_PREFIX)-$(1).bin
-endef
-
 define Image/Build/squashfs
 	$(call prepare_generic_squashfs,$(KDIR)/root.$(1))
 	dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-$(1).img bs=128k conv=sync