Drop unused script.

This causes error in unit tests since Person_init is now called when
creating a Person since f6edb446 .

bt5/erp5_banking_core/SkinTemplateItem/portal_skins/erp5_banking_core/Person_init.xml

-<?xml version="1.0"?>
-<ZopeData>
-  <record id="1" aka="AAAAAAAAAAE=">
-    <pickle>
-      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>Script_magic</string> </key>
-            <value> <int>3</int> </value>
-        </item>
-        <item>
-            <key> <string>_bind_names</string> </key>
-            <value>
-              <object>
-                <klass>
-                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
-                </klass>
-                <tuple/>
-                <state>
-                  <dictionary>
-                    <item>
-                        <key> <string>_asgns</string> </key>
-                        <value>
-                          <dictionary>
-                            <item>
-                                <key> <string>name_container</string> </key>
-                                <value> <string>container</string> </value>
-                            </item>
-                            <item>
-                                <key> <string>name_context</string> </key>
-                                <value> <string>context</string> </value>
-                            </item>
-                            <item>
-                                <key> <string>name_m_self</string> </key>
-                                <value> <string>script</string> </value>
-                            </item>
-                            <item>
-                                <key> <string>name_subpath</string> </key>
-                                <value> <string>traverse_subpath</string> </value>
-                            </item>
-                          </dictionary>
-                        </value>
-                    </item>
-                  </dictionary>
-                </state>
-              </object>
-            </value>
-        </item>
-        <item>
-            <key> <string>_body</string> </key>
-            <value> <string encoding="cdata"><![CDATA[
-
-user_site_list = context.Baobab_getUserAssignedSiteList()\n
-if len(user_site_list)>0:\n
-  site = context.Baobab_getVaultSite(user_site_list[0])\n
-  site_url = site.getRelativeUrl()\n
-  context.setSite(site_url)\n
-
-
-]]></string> </value>
-        </item>
-        <item>
-            <key> <string>_params</string> </key>
-            <value> <string>**kw</string> </value>
-        </item>
-        <item>
-            <key> <string>id</string> </key>
-            <value> <string>Person_init</string> </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-</ZopeData>