Deletes a step from a playback.
Namespace: Playbacks
Void DeletePlaybackStep(Avolites.Titan.Controllers.Handles.Handle, Single, Single)
http://[ip]:4430/titan/script/Playbacks/DeletePlaybackStep
handle: The handle.
startCueNumber: The first cue number to delete.
endCueNumber: The last cue number to delete.