Remove pid handling from systemd service files

examples/etc/coturn.service

@@ -11,8 +11,7 @@ User=turnserver
 Group=turnserver
 Type=notify
 RuntimeDirectory=turnserver
-PIDFile=/run/turnserver/turnserver.pid
-ExecStart=/usr/bin/turnserver --systemd -c /etc/turnserver.conf --pidfile /run/turnserver/turnserver.pid
+ExecStart=/usr/bin/turnserver --systemd -c /etc/turnserver.conf
 Restart=on-failure
 InaccessibleDirectories=/home
 PrivateTmp=yes

rpm/turnserver.service.fc

@@ -8,7 +8,6 @@ User=turnserver
 Group=turnserver
 Type=notify
 EnvironmentFile=/etc/sysconfig/turnserver
-PIDFile=/var/run/turnserver/turnserver.pid
 ExecStart=/usr/bin/turnserver --systemd -c /etc/turnserver/turnserver.conf $EXTRA_OPTIONS
 ExecStopPost=/usr/bin/rm -f /var/run/turnserver/turnserver.pid
 Restart=on-abort