Remove legacy freedns update command

src/freedombone-app-htmly

         rm -rf /var/www/$HTMLY_DOMAIN_NAME
     fi
     if [ $HTMLY_CODE ]; then
-        if [ -f /usr/bin/dynamicdns ]; then
-            sed -i "/$HTMLY_DOMAIN_NAME/d" /usr/bin/dynamicdns
-            sed -i "/$HTMLY_CODE/d" /usr/bin/dynamicdns
-        fi
+        sed -i '/HTMLY_DOMAIN_NAME.*/d' $CONFIGURATION_FILE
+        sed -i '/HTMLY_CODE.*/d' $CONFIGURATION_FILE
     fi
     function_check remove_onion_service
     remove_onion_service htmly ${HTMLY_ONION_PORT}

src/freedombone-utils-dns

         return
     fi
 
+    # remove any legacy command
+    if [ -f /usr/bin/dynamicdns ]; then
+        rm /usr/bin/dynamicdns
+    fi
+
+    # add the update command to cron
     if ! grep -q "/usr/local/bin/freedombone-freedns" /etc/crontab; then
         function_check cron_add_mins
         cron_add_mins 3 '/usr/local/bin/freedombone-freedns'