There is no feature at this moment, i will do it as soon as the zcash sytuation will stabilize becasue it is a fucking mess from the beginning.

You can PM me number of rig which you want delete, i can do that for you this one time.



EDIT:
I am testing zogminer wholeday with different scripts and restarting scripts but it just hangs every few minutes, i cant implement this.
Lets wait, meaby tomorrow it will be finally something stable.