Remove log-append for now and create log dir

See https://github.com/Angristan/OpenVPN-install/issues/275

openvpn-install.sh

@@ -638,9 +638,11 @@ tls-server
 tls-version-min 1.2
 tls-cipher TLS-DHE-RSA-WITH-AES-128-GCM-SHA256
 status /var/log/openvpn/status.log
-log-append /var/log/openvpn/server.log
 verb 3" >> /etc/openvpn/server.conf
 
+# Create log dir
+mkdir -p /var/log/openvpn
+
 	# Create the sysctl configuration file if needed (mainly for Arch Linux)
 	if [[ ! -e $SYSCTL ]]; then
 		touch $SYSCTL