remove unneccessary warning

prism/src/explicit/AccumulationTransformation.java

@@ -126,10 +126,6 @@ public class AccumulationTransformation<M extends ModelExplicit> implements Mode
 			throw new PrismException("Unable to handle <->/[-] with -accforcecomplex. Bailing.");
 		}
 		
-		if(forceMulti && isSimple) {
-			mc.getLog().println("WARNING: accforcemulti set, but cannot be used with simple method. Using complex one.");
-		}
-		
 		// Build the AccumulationContext
 		AccumulationContext ctx = new AccumulationContext(accexp, rewards, mc);
 		ctx.singleTrack  = isSingleTrack && !forceMulti;