erp5_mysql_innodb_catalog: drop the hardcoded limit 1000 in SQLCatalog_zGetDocumentValueList

Querying the catalog does not limit the result by default..
See nexedi/erp5@241a87a1

product/ERP5/bootstrap/erp5_mysql_innodb_catalog/CatalogMethodTemplateItem/portal_catalog/erp5_mysql_innodb/SQLCatalog_zGetDocumentValueList.sql

@@ -65,8 +65,6 @@
 
   <dtml-if "query['limit_expression']">
     LIMIT <dtml-var "query['limit_expression']">
-  <dtml-else>
-    LIMIT 1000
   </dtml-if>
 
   <dtml-if "'derived_merge' in optimizer_switch_key_list">