[openwrt/openwrt] ramips: mt7621: remove bring up DSA master init script

[LEDE Commits]

dangole pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/6dc18649a013151f226c9a362e5060c703b6c642

commit 6dc18649a013151f226c9a362e5060c703b6c642
Author: DENG Qingfang <dqfext at gmail.com>
AuthorDate: Wed Jun 23 23:37:25 2021 +0800

    ramips: mt7621: remove bring up DSA master init script
    
    With commit 2e17c710954b, there is no need to bring up DSA master port
    manually.
    
    Signed-off-by: DENG Qingfang <dqfext at gmail.com>
---
 .../lib/preinit/07_mt7621_bringup_dsa_master         | 20 --------------------
 1 file changed, 20 deletions(-)

diff --git a/target/linux/ramips/mt7621/base-files/lib/preinit/07_mt7621_bringup_dsa_master b/target/linux/ramips/mt7621/base-files/lib/preinit/07_mt7621_bringup_dsa_master
deleted file mode 100644
index 0f4660d242..0000000000
--- a/target/linux/ramips/mt7621/base-files/lib/preinit/07_mt7621_bringup_dsa_master
+++ /dev/null
@@ -1,20 +0,0 @@
-. /lib/functions.sh
-
-mt7621_bringup_dsa_master() {
-    local board=$(board_name)
-    local masterif
-
-    case "$board" in
-    ubnt,edgerouter-x|\
-    ubnt,edgerouter-x-sfp)
-        masterif="dsa"
-        ;;
-    *)
-        masterif="eth0"
-        ;;
-    esac
-
-    ip link set $masterif up
-}
-
-boot_hook_add preinit_main mt7621_bringup_dsa_master
\ No newline at end of file