Add domain on translations to show only those linked to a module for issue505

trytond/ir/translation.xml

@@ -52,6 +52,7 @@
             <field name="name">Translations</field>
             <field name="res_model">ir.translation</field>
             <field name="view_type">form</field>
+            <field name="domain">[('module', '!=', False)]</field>
         </record>
         <record model="ir.action.act_window.view"
             id="act_translation_form_view1">