Remove wrong exclude default value

Author: jhnns

bin/updtr

@@ -11,7 +11,7 @@ program
   .option("-R, --reporter <reporter>", "choose reporter: " + reporters.join(", "), "default")
   .option("-w, --wanted", "updates to wanted version specified in package.json instead of the modules latest version")
   .option("-t, --test <test>", "change the command for the tests")
-  .option("-e, --exclude <exclude>", "exclude modules comma seperated, e.g. updtr --exclude module1,module2", "excludes")
+  .option("-e, --exclude <exclude>", "exclude modules comma seperated, e.g. updtr --exclude module1,module2")
   .option("--test-stdout", "shows stdout if your test command fails")
   .option("--save-exact", "save exact module version")
   .option("--registry", "change registry");