Code review fixes

dao/src/main/java/org/thingsboard/server/dao/sql/query/DefaultEntityQueryRepository.java

@@ -479,9 +479,6 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
                     .append(" and ")
                     .append("nr.").append(fromOrTo).append("_type").append(" = re.").append(toOrFrom).append("_type");
 
-            if (!StringUtils.isEmpty(entityFilter.getRelationType())) {
-                notExistsPart.append(" and nr.relation_type = :where_relation_type");
-            }
             notExistsPart.append(")");
             whereFilter += " and ( re.lvl = " + entityFilter.getMaxLevel() + " OR " + notExistsPart.toString() + ")";
         }
@@ -554,9 +551,7 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
 
             StringBuilder notExistsPart = new StringBuilder();
             notExistsPart.append(" NOT EXISTS (SELECT 1 from relation nr WHERE ");
-            notExistsPart.append(whereFilter.toString());
             notExistsPart
-                    .append(" and ")
                     .append("nr.").append(fromOrTo).append("_id").append(" = re.").append(toOrFrom).append("_id")
                     .append(" and ")
                     .append("nr.").append(fromOrTo).append("_type").append(" = re.").append(toOrFrom).append("_type")