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

@@ -2,5 +2,4 @@ Software Product | Embedded File
 Software Product | Software Product Individual Variation
 Software Product | Software Product Release Variation
 Software Product | Software Product Type Variation
-Upgrade Decision Module | Upgrade Decision
-Upgrade Decision | Upgrade Decision Line
+Upgrade Decision Module | Upgrade Decision
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