Drop not used table llx_document_generator (list of generators must be

managed by submodules like are the templates of document or engines to
select emailing targets (scan of a dedicated dir)

htdocs/install/mysql/migration/4.0.0-5.0.0.sql

@@ -24,6 +24,7 @@
 
 ALTER TABLE llx_website ADD COLUMN virtualhost   varchar(255) after fk_default_home;
 
+DROP TABLE llx_document_generator;