remove biglock usage from ipsectunnel.sh

Biglock breaks creating VPN's when other scripts run at the
same time that also use the same biglock. These other scripts
do nothing that could harm our deployment and even multiple
vpn's can safely be created simultaniously.

(cherry picked from commit 8b412ce194)

systemvm/patches/debian/config/opt/cloud/bin/ipsectunnel.sh

@@ -18,13 +18,6 @@
 
 source /root/func.sh
 
-lock="biglock"
-locked=$(getLockFile $lock)
-if [ "$locked" != "1" ]
-then
-    exit 1
-fi
-
 vpnconfdir="/etc/ipsec.d"
 vpnoutmark="0x525"
 vpninmark="0x524"
@@ -262,7 +255,7 @@ do
   p)    passive=1
         ;;
   ?)    usage
-        unlock_exit 2 $lock $locked
+        exit 2
         ;;
   esac
 done
@@ -301,7 +294,7 @@ then
     ret=$?
 else
     printf "Invalid action specified, must choose -A or -D to add/del tunnels\n" >&2
-    unlock_exit 5 $lock $locked
+    exit 5
 fi
 
-unlock_exit $ret $lock $locked
+exit $ret