Revert "use ping for connectivity checkers"

This reverts commit 29ee6c0bd5.

image/overlay/etc/init.d/auth-server

@@ -6,22 +6,6 @@ output_log="/data/auth-server.log"
 
 pidfile="/run/${RC_SVCNAME}.pid"
 
-start_pre() {
-    ebegin "Waiting for network"
-
-    timeout=30
-
-    while [ $timeout -gt 0 ]; do
-        ip route | grep -q default && break
-        sleep 1
-        timeout=$((timeout-1))
-    done
-
-    ip route | grep -q default || return 1
-
-    eend 0
-}
-
 depend() {
     need net
 }

image/overlay/etc/init.d/tsdns

@@ -4,22 +4,6 @@ depend() {
   need docker net
 }
 
-start_pre() {
-    ebegin "Waiting for network"
-
-    timeout=30
-
-    while [ $timeout -gt 0 ]; do
-        ip route | grep -q default && break
-        sleep 1
-        timeout=$((timeout-1))
-    done
-
-    ip route | grep -q default || return 1
-
-    eend 0
-}
-
 command="/usr/bin/tsdns"
 command_background=true 
 pidfile="/run/${RC_SVCNAME}.pid"