Accounting: remove worklist for stopped transactions

The task of moving those to delivered state is only due when closing the period, so this worklist is not needed. Also it is slow to generate as it matches many documents.

bt5/erp5_accounting/WorkflowTemplateItem/portal_workflow/accounting_workflow/worklists/5_stopped_transaction_list.xml

-<?xml version="1.0"?>
-<ZopeData>
-  <record id="1" aka="AAAAAAAAAAE=">
-    <pickle>
-      <global name="WorklistDefinition" module="Products.DCWorkflow.Worklists"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>actbox_category</string> </key>
-            <value> <string>global</string> </value>
-        </item>
-        <item>
-            <key> <string>actbox_name</string> </key>
-            <value> <string>Accounting Transactions to Close (%(count)s)</string> </value>
-        </item>
-        <item>
-            <key> <string>actbox_url</string> </key>
-            <value> <string encoding="cdata"><![CDATA[
-
-accounting_module/view?reset:int=1&local_roles=%(local_roles)s&simulation_state=stopped&portal_type=%(portal_type)s
-
-]]></string> </value>
-        </item>
-        <item>
-            <key> <string>description</string> </key>
-            <value> <string></string> </value>
-        </item>
-        <item>
-            <key> <string>guard</string> </key>
-            <value>
-              <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
-            </value>
-        </item>
-        <item>
-            <key> <string>id</string> </key>
-            <value> <string>5_stopped_transaction_list</string> </value>
-        </item>
-        <item>
-            <key> <string>var_matches</string> </key>
-            <value>
-              <persistent> <string encoding="base64">AAAAAAAAAAM=</string> </persistent>
-            </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-  <record id="2" aka="AAAAAAAAAAI=">
-    <pickle>
-      <global name="Guard" module="Products.DCWorkflow.Guard"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>roles</string> </key>
-            <value>
-              <tuple>
-                <string>Assignor</string>
-              </tuple>
-            </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-  <record id="3" aka="AAAAAAAAAAM=">
-    <pickle>
-      <global name="PersistentMapping" module="Persistence.mapping"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>data</string> </key>
-            <value>
-              <dictionary>
-                <item>
-                    <key> <string>simulation_state</string> </key>
-                    <value>
-                      <tuple>
-                        <string>stopped</string>
-                      </tuple>
-                    </value>
-                </item>
-              </dictionary>
-            </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-</ZopeData>