remove extraneous unit file

systemd/smartdns.service

@@ -1,19 +0,0 @@
-[Unit]
-Description=SmartDNS Server
-After=network.target 
-StartLimitBurst=0
-StartLimitIntervalSec=60
-
-[Service]
-Type=forking
-PIDFile=/var/run/smartdns.pid
-EnvironmentFile=/etc/default/smartdns
-ExecStart=/usr/sbin/smartdns -p /var/run/smartdns.pid $SMART_DNS_OPTS 
-KillMode=process
-Restart=always
-RestartSec=2
-TimeoutStopSec=5
-
-[Install]
-WantedBy=multi-user.target
-Alias=smartdns.service