README: Drop log-driver argument

* This is overly verbose.

Author: Kyle Manna

README.md

@@ -31,20 +31,20 @@ a corresponding [Digital Ocean Community Tutorial](http://bit.ly/1AGUZkq).
   private key used by the newly generated certificate authority.
 
       docker volume create --name $OVPN_DATA
-      docker run -v $OVPN_DATA:/etc/openvpn --log-driver=none --rm kylemanna/openvpn ovpn_genconfig -u udp://VPN.SERVERNAME.COM
-      docker run -v $OVPN_DATA:/etc/openvpn --log-driver=none --rm -it kylemanna/openvpn ovpn_initpki
+      docker run -v $OVPN_DATA:/etc/openvpn --rm kylemanna/openvpn ovpn_genconfig -u udp://VPN.SERVERNAME.COM
+      docker run -v $OVPN_DATA:/etc/openvpn --rm -it kylemanna/openvpn ovpn_initpki
 
 * Start OpenVPN server process
 
       docker run -v $OVPN_DATA:/etc/openvpn -d -p 1194:1194/udp --cap-add=NET_ADMIN kylemanna/openvpn
 
 * Generate a client certificate without a passphrase
 
-      docker run -v $OVPN_DATA:/etc/openvpn --log-driver=none --rm -it kylemanna/openvpn easyrsa build-client-full CLIENTNAME nopass
+      docker run -v $OVPN_DATA:/etc/openvpn --rm -it kylemanna/openvpn easyrsa build-client-full CLIENTNAME nopass
 
 * Retrieve the client configuration with embedded certificates
 
-      docker run -v $OVPN_DATA:/etc/openvpn --log-driver=none --rm kylemanna/openvpn ovpn_getclient CLIENTNAME > CLIENTNAME.ovpn
+      docker run -v $OVPN_DATA:/etc/openvpn --rm kylemanna/openvpn ovpn_getclient CLIENTNAME > CLIENTNAME.ovpn
 
 ## Next Steps