netbird: cleanup init script

Remove parameters added in commit 7b3d033ab6
that were intended to reestablish the `netbird` connection when the
`wan` state changes. This functionality is already handled by
`netbird`. If it fails, it should be reported as a bug upstream.

Signed-off-by: Wesley Gimenes <wehagy@proton.me>

net/netbird/Makefile

@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=netbird
 PKG_VERSION:=0.51.2
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/netbirdio/netbird/tar.gz/v$(PKG_VERSION)?

net/netbird/files/netbird.init

@@ -1,19 +1,11 @@
 #!/bin/sh /etc/rc.common
 
-. /lib/netifd/netifd-proto.sh
-
 START=99
 STOP=10
 
 USE_PROCD=1
 
-service_triggers() {
-	procd_add_interface_trigger "interface.*" "wan" /etc/init.d/netbird restart
-}
-
 start_service() {
-	local device
-
 	procd_open_instance
 	procd_set_param command /usr/bin/netbird
 	procd_append_param command service run