Dine Out for AIDS Delaware    On Thursday, April 30, AIDS Delaware will host Dining Out for Life. Participating restaurants between Wilmington and Middletown will donate 33 percent of their total food sales to the organization.   Diners will also have the opportunity to enter a raffle to win an Apple Vacation to Playa del Carmen or one of three one hour in-home massages by Gary Cramer of Soothing Touch Massage.   For more information or the most updated restaurant list, visit www.aidsdelaware.org or call or 302-652-6776.