removed unused service configuration and renamed descirption

broker/telemersion-broker.service.txt

 [Unit]
-Description=Mosquitto Service for telemersive-server.
+Description=Mosquitto Service for telemersion-broker.
 
 # run after network is up
 Requires=network-online.target

broker/telemersive-broker.service

-[Unit]
-Description=Mosquitto Service for telemersive-server.
-
-# run after network is up
-Requires=network-online.target
-After=network-online.target
-
-[Service]
-Type=simple
-ExecStart=/usr/sbin/mosquitto -c /opt/telemersive-bus/mosquitto.conf
-User=telemersive-bus
-
-[Install]
-WantedBy=multi-user.target