How could I deactivate the analytic.languagetoolplus.com script on webpage?

I have a own languagetool server installation and set it up in the firefox addon.
my uMatrix tells me that every time I use Languagetool that a script from analytic.languagetoolplus.com try to run.
Could I somehow deactivate this script?

If you want to avoid any tracking, activate “Do Not Track” in your Firefox settings.

This option is active. Also the Umatrix setting is active so this script do nothing. But In my opinion I should have the possibility to deactivate this link to the JavaScript completely.

I cannot reproduce, could you send a screenshot? Are you sure the request is from the add-on on not from the webpage?