Drop not needed causality link.

master/bt5/slapos_upgrader/ExtensionTemplateItem/SlapOSUpgrader.py

 from Products.ERP5Type.Base import WorkflowMethod
 
-def Instance_migrateUrlString(self):
+def Instance_migrateData(self):
   BLACKLIST_RELATIVE_URL_LIST = (
     'software_instance_module/template_slave_instance',
     'software_instance_module/template_software_instance',
@@ -24,6 +24,8 @@ def Instance_migrateUrlString(self):
       self.setUrlString(old_url)
       assert(self.getUrlString() == old_url)
       delattr(self.aq_base, property_id)
+    if self.getCausality() is not None:
+      self.setCausality(None)
   if type(self) == type([]):
     for o in self:
       real(o[0])

master/bt5/slapos_upgrader/SkinTemplateItem/portal_skins/slapos_upgrader/00_ERP5Site_migrateUrlString.xml → master/bt5/slapos_upgrader/SkinTemplateItem/portal_skins/slapos_upgrader/00_ERP5Site_migrateInstanceData.xml

@@ -52,7 +52,7 @@
             <key> <string>_body</string> </key>
             <value> <string>portal = context.getPortalObject()\n
 tag = script.id\n
-method_id = \'Instance_migrateUrlString\'\n
+method_id = \'Instance_migrateData\'\n
 for module in (\n
   portal.hosting_subscription_module,\n
   portal.software_instance_module,\n
@@ -74,7 +74,7 @@ return \'Done.\'\n
         </item>
         <item>
             <key> <string>id</string> </key>
-            <value> <string>00_ERP5Site_migrateUrlString</string> </value>
+            <value> <string>00_ERP5Site_migrateInstanceData</string> </value>
         </item>
       </dictionary>
     </pickle>

master/bt5/slapos_upgrader/SkinTemplateItem/portal_skins/slapos_upgrader/Instance_migrateUrlString.xml → master/bt5/slapos_upgrader/SkinTemplateItem/portal_skins/slapos_upgrader/Instance_migrateData.xml

@@ -8,7 +8,7 @@
       <dictionary>
         <item>
             <key> <string>_function</string> </key>
-            <value> <string>Instance_migrateUrlString</string> </value>
+            <value> <string>Instance_migrateData</string> </value>
         </item>
         <item>
             <key> <string>_module</string> </key>
@@ -16,7 +16,7 @@
         </item>
         <item>
             <key> <string>id</string> </key>
-            <value> <string>Instance_migrateUrlString</string> </value>
+            <value> <string>Instance_migrateData</string> </value>
         </item>
         <item>
             <key> <string>title</string> </key>

master/bt5/slapos_upgrader/bt/revision

-10
\ No newline at end of file
+11
\ No newline at end of file