By Jonathan Stempel (Reuters) – A California man who claimed Skittles are “unfit for human consumption” because they contained a known toxin has dismissed his federal lawsuit against Mars Inc, the candy maker. Jenile Thames voluntarily dismissed his case on Monday, according to a filing by his lawyers in Oakland, California. No reason was given for the dismissal, which was without prejudice, meaning Thames can sue again. His lawyers did not immediately respond on Tuesday to requests for comment. Mars was accused in the July 14 lawsuit of endangering Skittles eaters by using “heightened levels”…