[openwrt/openwrt] ath79: sysupgrade: drop unused variables

[LEDE Commits]

mkresin pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/cfe442c5033d3fe626bb54391ecb0fc25c2f5049

commit cfe442c5033d3fe626bb54391ecb0fc25c2f5049
Author: Mathias Kresin <dev at kresin.me>
AuthorDate: Mon May 7 20:58:20 2018 +0200

    ath79: sysupgrade: drop unused variables
    
    None of the variables are used at the moment.
    
    Signed-off-by: Mathias Kresin <dev at kresin.me>
---
 target/linux/ath79/base-files/lib/upgrade/platform.sh | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/target/linux/ath79/base-files/lib/upgrade/platform.sh b/target/linux/ath79/base-files/lib/upgrade/platform.sh
index 60cc6a4..2d67785 100644
--- a/target/linux/ath79/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ath79/base-files/lib/upgrade/platform.sh
@@ -3,12 +3,6 @@
 #
 
 PART_NAME=firmware
-RAMFS_COPY_BIN='nandwrite'
-
-CI_BLKSZ=65536
-CI_LDADR=0x80060000
-
-PLATFORM_DO_UPGRADE_COMBINED_SEPARATE_MTD=0
 
 platform_check_image() {
 	local board=$(board_name)