[ci] Remove incorrect set searialVersionUID

Author: hazendaz

src/test/java/org/apache/ibatis/submitted/custom_collection_handling/CustomObjectFactory.java

@@ -33,8 +33,6 @@
 
 public class CustomObjectFactory implements ObjectFactory {
 
-    private static final long serialVersionUID = -8855120656940914948L;
-
     @Override
     public <T> T create(Class<T> type) {
         return create(type, null, null);