SciTE4AHK, on it's own is a great tool for writing AutoHotkey scripts. Maybe even the best. But It always bothered me that SciTE4AHK doesn't have a built in delete function.
So, I made one
Note that this requires GetSciTEInstance() function which can be found in tools\Lib Folder in the main SciTE installation directory.
So you can add the script to the tools\ folder.
Here is the original script:
If you are lazy, or don't know how to install this tool, please use the installer.You can download it here