Simple addon that removes the preview button from the editor.
Before:
[Image unavailable; source: https://xenforo.com/community/attachments/hidepreview1-png.240627/]
After:
[Image unavailable; source: https://xenforo.com/community/attachments/hidepreview2-png.240628/]
Before:
[Image unavailable; source: https://xenforo.com/community/attachments/hidepreview1-png.240627/]
After:
[Image unavailable; source: https://xenforo.com/community/attachments/hidepreview2-png.240628/]