Revert "Accept software_type."

This reverts commit 79f0aaea.

More code analysis is required in order to being able support required cases
with parameters passed by user.

master/bt5/vifib_slap/WorkflowTemplateItem/portal_workflow/person_slap_interface_workflow/scripts/Person_requestSoftwareInstance.xml

@@ -59,7 +59,7 @@ portal = person.getPortalObject()\n
 kwargs = state_change.kwargs\n
 software_release_url_string = state_change.kwargs[\'software_release\']\n
 software_title = kwargs["software_title"]\n
-software_type = kwargs.get("software_type", "RootSoftwareInstance)"\n
+software_type = "RootSoftwareInstance"\n
 instance_xml = kwargs["instance_xml"]\n
 \n
 sale_order_portal_type = "Sale Order"\n

master/bt5/vifib_slap/bt/revision

-373
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+374
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