2.99 ScriptFu: enhance, eliminate "Script-Fu" prefix from script plugin's dialog title
The text is just noise. User's don't care how something is implemented. Often, the dialog title is truncated, you only see "Scr", and not the meaningful part, what the operation is.
A downside is that existing screenshots in tutorials won't match.
Its a simple fix in one line. It shouldn't affect translators.