[MIGR] set flag 'installable' to False on modules

analytic_hours_block/__openerp__.py

@@ -56,5 +56,5 @@ you can track and follow how much has been used.
                     "security/ir.model.access.csv",
                    ],
     "active": False,
-    "installable": True
+    "installable": False
 }