[openwrt/openwrt] uboot-envtools: cns3xxx: remove config file

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/0ef4c3dfa0c8904ff0238738064aafed733ef8d6

commit 0ef4c3dfa0c8904ff0238738064aafed733ef8d6
Author: Shiji Yang <yangshiji66 at outlook.com>
AuthorDate: Mon May 5 21:56:15 2025 +0800

    uboot-envtools: cns3xxx: remove config file
    
    This file is a leftover of cns3xxx target which has been dropped
    in commit a9790dff532e ("cns3xxx: drop target").
    
    Signed-off-by: Shiji Yang <yangshiji66 at outlook.com>
    Link: https://github.com/openwrt/openwrt/pull/19191
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 .../boot/uboot-tools/uboot-envtools/files/cns3xxx  | 26 ----------------------
 1 file changed, 26 deletions(-)

diff --git a/package/boot/uboot-tools/uboot-envtools/files/cns3xxx b/package/boot/uboot-tools/uboot-envtools/files/cns3xxx
deleted file mode 100644
index c8cca3091d..0000000000
--- a/package/boot/uboot-tools/uboot-envtools/files/cns3xxx
+++ /dev/null
@@ -1,26 +0,0 @@
-#
-# Copyright (C) 2013 OpenWrt.org
-#
-
-[ -e /etc/config/ubootenv ] && exit 0
-
-touch /etc/config/ubootenv
-
-. /lib/uboot-envtools.sh
-. /lib/functions.sh
-
-board=$(board_name)
-
-case "$board" in
-laguna)
-	# Laguna uboot env size/erasesize vary depending on NOR vs SPI FLASH
-	size=$(grep mtd1 /proc/mtd | awk '{print $2}')
-	erasesize=$(grep mtd1 /proc/mtd | awk '{print $3}')
-	ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x$size" "0x$erasesize"
-	;;
-esac
-
-config_load ubootenv
-config_foreach ubootenv_add_app_config ubootenv
-
-exit 0