Add in migration file 3.9 - 4.0, a sql operation to delete old menu of expense report

htdocs/install/mysql/migration/3.9.0-4.0.0.sql

@@ -322,4 +322,6 @@ ALTER TABLE llx_expensereport_det ADD COLUMN multicurrency_total_ttc double(24,8
 
 ALTER TABLE llx_product_lang ADD COLUMN import_key varchar(14) DEFAULT NULL;
 
-ALTER TABLE llx_actioncomm MODIFY COLUMN elementtype varchar(255) DEFAULT NULL;
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+ALTER TABLE llx_actioncomm MODIFY COLUMN elementtype varchar(255) DEFAULT NULL;
+
+DELETE FROM llx_menu where module='expensereport';
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