Fixup javadoc comments an non-accessible classes

Author: NotMyFault

src/main/java/org/jenkinsci/plugins/scriptler/builder/ScriptlerBuilder.java

@@ -302,7 +302,7 @@ public DescriptorImpl getDescriptor() {
     }
 
     /**
-     * Automatically registered by {@link XStream2.AssociatedConverterImpl#findConverter(Class)}
+     * Automatically registered by XStream2.AssociatedConverterImpl#findConverter(Class)
      * Process the class regularly but add a check after that
      */
     @SuppressWarnings("unused") // discovered dynamically

src/main/java/org/jenkinsci/plugins/scriptler/util/UIHelper.java

@@ -16,7 +16,7 @@ public class UIHelper {
     /**
      * Extracts the parameters from the given request
      *
-     * @param req
+     * @param json
      *            the request potentially containing parameters
      * @return parameters - might be an empty array, but never <code>null</code>.
      */