Revert "include/image.mk: call Image/Build/{cpiogz,targz}"

This breaks on platforms building their own targz/cpioz images.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 34498

include/image.mk

@@ -109,7 +109,6 @@ endif
 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
   define Image/mkfs/cpiogz
 		( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
-		$(call Image/Build,cpiogz)
   endef
 endif
 
@@ -117,7 +116,6 @@ ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
   define Image/mkfs/targz
 		# Preserve permissions (-p) when building as non-root user
 		$(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
-		$(call Image/Build,targz)
   endef
 endif