I am trying to remove "priority" from the "ticket" page. I only see "Session" and "Attachments" (I already removed "location")

I am trying to remove "priority" from the "ticket" page.  I only see  "Session" and "Attachments" (I already removed "location")

I found another article about changing "field request" and removing priority from there, but that seems to cause errors.

Any help would be appreciated.

Thanks,
Andrew