Don't delete conf

src/freedombone-app-jitsi

 }
 
 function upgrade_jitsi {
-    if [ -f /etc/init.d/jicofo ]; then
-        systemctl stop jicofo
-        sed -i 's|exec $DAEMON|exec /usr/bin/torify $DAEMON|g' /etc/init.d/jicofo
-        systemctl daemon-reload
-        systemctl start jicofo
-    fi
+    echo -n ''
 }
 
 function backup_local_jitsi {
         exit 78372
     fi
 
-    if [ -f /etc/nginx/sites-available/${JITSI_DOMAIN_NAME}.conf ]; then
-        rm /etc/nginx/sites-available/${JITSI_DOMAIN_NAME}.conf
-        systemctl restart nginx
-    fi
-
     # add jitsi repo
     jitsi_deb_repo=binary
     apt-get -yq install wget debconf-utils default-jre
     cp /etc/ssl/private/${JITSI_DOMAIN_NAME}.key /etc/prosody/certs
     chown prosody:prosody /etc/prosody/certs/${JITSI_DOMAIN_NAME}.*
 
-    # remove extraneous nginx config generated by the deb package
-    if [ -f /etc/nginx/sites-available/${JITSI_DOMAIN_NAME}.conf ]; then
-        nginx_dissite ${JITSI_DOMAIN_NAME}.conf
-        rm /etc/nginx/sites-available/${JITSI_DOMAIN_NAME}.conf
-    fi
-
     function_check nginx_ensite
     nginx_ensite ${JITSI_DOMAIN_NAME}.conf