EVSCLT-1023: Fix removing MCA tag issue

MessageContentAnalyzer-ejb/src/main/java/net/ihe/gazelle/mca/contentanalyzer/adapters/config/dao/McaConfigDaoImpl.java

@@ -284,7 +284,7 @@ public class McaConfigDaoImpl implements McaConfigDao {
     @Override
     public void remove(ConfigInterface selectedConfig) {
         EntityManager entityManager = entityManagerFactory.createEntityManager();
-        entityManager.remove(selectedConfig);
+        entityManager.remove(entityManager.merge(selectedConfig));
         entityManager.flush();
     }