The former director of buildings and grounds in the Hillsborough school district admitted he took part in a scheme to receive about $138,000 in overtime to which he was not entitled. Anthony DeLuca, 61, of Raritan, pleaded guilty on Wednesday to one count of embezzling, stealing, and obtaining by fraud, the U.S. Attorney’s Office for New Jersey said in a statement. DeLuca was hired in 2019 for a $120,000-per-year salaried position in which no overtime was to be paid, authorities said. Instead he and a person not named by prosecutors formulated a plan in which DeLuca “submitted false claims to …