AjaxThreadDelete plugin allows people to completely delete threads, instead of removing/closing them. As of v1.2, it can allow thread deletion directly from a forum board without having to view the thread before deleting it.
There are two configuration options:
Set to true to enable deletions without deletion prompt.
Reason for thread deletion. Note that the reason might not appear in all deletions.
"Deletion executed through AjaxThreadDelete" in your respective language}
This is an example configuration of AjaxThreadDelete: