Hi , did you ever figure this out? I have urgent need to remove or modify that statement as well.
I did find in the Publishing section where another text statement is shown but this seems to be part of a setting I cannot find.
Here is a clip from the MS doc
But that is not what appears on our page.
We need to be able to modify the part circled in yellow highlighter.
I did page inspect page and found that the content is held in bookingform, footerSection.
Now to find how to change those page objects if possible.
It does not seem to accept spaces or other codes to erase the value and will Default to the canned text and [NAME OF CALENDAR] inserted.
Therefore we decided to direct the URL to one of Microsoft