Drop confirmed completed state.

It is too early, as started or later invoices shall be considered as completed
(from accounting transaction point of view).

master/bt5/vifib_data_simulation/PathTemplateItem/business_process_module/vifib_sale_business_process/account.xml

@@ -114,7 +114,6 @@
             <key> <string>completed_state</string> </key>
             <value>
               <tuple>
-                <string>confirmed</string>
                 <string>delivered</string>
                 <string>started</string>
                 <string>stopped</string>

master/bt5/vifib_data_simulation/bt/revision

-75
\ No newline at end of file
+76
\ No newline at end of file