debian: Move some init options to default/freeswitch

Thanks-to: Henning Holtschneider <henning@loca.net>

FS-4979 --resolve

debian/freeswitch-sysvinit.freeswitch.default

 # /etc/default/freeswitch
-DAEMON_OPTS=""
+DAEMON_OPTS="-rp -nonat"

debian/freeswitch-sysvinit.freeswitch.init

@@ -16,7 +16,7 @@ PATH=/sbin:/usr/sbin:/bin:/usr/bin
 DESC=freeswitch
 NAME=freeswitch
 DAEMON=/usr/bin/freeswitch
-DAEMON_ARGS="-u freeswitch -g freeswitch -rp -nc -nonat"
+DAEMON_ARGS="-u freeswitch -g freeswitch -nc"
 USER=freeswitch
 GROUP=freeswitch
 RUNDIR=/var/run/$NAME