some issues removing Meta Pixel

[Mirkosoffia]

We need to manage Meta Pixel with Tag Manager and we need to remove or disconnect the Meta Pixel in the Facebook Channel/app.

But we are unable to do that, the disconnect action are not present in the Ui.

you can see in the screenshot that the UI permit to switch from a pixel to another, but not disconnect.

but in this guide we read that we can remove:

Meta pixel · Shopify Help Center

something was changed?