ww test: allow -c with persistent workdirs

internal/wwpackage/package.ww

@@ -1853,15 +1853,6 @@ export fn packagecommand(args: []str) int = {
 		pkgusage();
 		return 2;
 	};
-	// -c suppresses execution and requests a caller-visible binary. Keep it
-	// separate from -w until compile-only persistent-action ownership is wired;
-	// -o without -c already permits a retained copy beside a persistent store.
-	if (workroot.len != 0 && compileonly && !buildonly) {
-		pkgputln(os.STDERR_FILENO,
-			"wwtest package: -w conflicts with -c");
-		return 2;
-	};
-
 	let ds: pkgdiscover;
 	let emptypaths: []str;
 	ds.paths = emptypaths;