slapos_pdm: stop allowing Upgrade Decision Line creation

master/bt5/slapos_pdm/PortalTypeAllowedContentTypeTemplateItem/allowed_content_types.xml

@@ -5,9 +5,6 @@
   <item>Software Product Release Variation</item>
   <item>Software Product Type Variation</item>
  </portal_type>
- <portal_type id="Upgrade Decision">
-  <item>Upgrade Decision Line</item>
- </portal_type>
  <portal_type id="Upgrade Decision Module">
   <item>Upgrade Decision</item>
  </portal_type>

master/bt5/slapos_pdm/bt/template_portal_type_allowed_content_type_list

@@ -3,4 +3,3 @@ Software Product | Software Product Individual Variation
 Software Product | Software Product Release Variation
 Software Product | Software Product Type Variation
 Upgrade Decision Module | Upgrade Decision
\ No newline at end of file
-Upgrade Decision | Upgrade Decision Line
\ No newline at end of file