ParamModelChecker: Use standard log handling

ParamModelChecker already has a mainLog by being a PrismComponent,
inheriting the log from the parent component.

In particular, this allows redirection of the log output via the
-mainlog parameter (as used by prism-auto).



git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@11600 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/param/ParamModelChecker.java

@@ -101,9 +101,6 @@ import explicit.Model;
  */
 final public class ParamModelChecker extends PrismComponent
 {
-	// Log for output (default to System.out)
-	private PrismLog mainLog = new PrismPrintStreamLog(System.out);
-
 	// Model file (for reward structures, etc.)
 	private ModulesFile modulesFile = null;