scripts: delete ifup/ifdown, they are unused

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

diff --git a/scripts/ifdown b/scripts/ifdown
deleted file mode 120000 (symlink)
index a0e5c17..0000000
--- a/scripts/ifdown
+++ /dev/null
@@ -1 +0,0 @@
-ifup
\ No newline at end of file

diff --git a/scripts/ifup b/scripts/ifup
deleted file mode 100755 (executable)
index b62054c..0000000
--- a/scripts/ifup
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/sh
-
-case "$0" in
-       *ifdown) mode=down;;
-       *ifup) mode=up;;
-       *) echo "Invalid command: $0";;
-esac
-
-[[ "$1" == "-a" ]] && {
-       for interface in `ubus -S list 'network.interface.*'`; do
-               ubus call $interface $mode
-       done
-       exit
-}
-
-ubus -S list "network.interface.$1" > /dev/null || {
-       echo "Interface $1 not found"
-       exit
-}
-ubus call "network.interface.$1" "$mode"