GREENPOINT - Arson charges have been dropped against a homeless man who was originally the prime suspect in the massive fire that destroyed a historic warehouse complex.The 60-year-old Polish immigrant, Leszek Kuczera, who confessed to setting the Greenpoint Terminal Market fire, agreed to a plea bargain. Instead of serving jail time, Kuczera pled guilty to charges of criminal mischief and will spend eight months at an alcohol treatment center in upstate New York.The cause of the fire sparked a lot of controversy in Brooklyn. Some residents believed the fire was intentionally set so a lucrative land deal on the site could move forward. The property?s owner, Joshua Guttman has denied all such allegations. No matter what the cause, Greenpoint residents say they are saddened by the loss of the historic Greenpoint Terminal Market.