erp5_svg_editor: drop method-draw launch page

bt5/erp5_svg_editor/SkinTemplateItem/portal_skins/erp5_svg_editor/method-draw/index.html.xml

-<?xml version="1.0"?>
-<ZopeData>
-  <record id="1" aka="AAAAAAAAAAE=">
-    <pickle>
-      <global name="DTMLDocument" module="OFS.DTMLDocument"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>__name__</string> </key>
-            <value> <string>index.html</string> </value>
-        </item>
-        <item>
-            <key> <string>_vars</string> </key>
-            <value>
-              <dictionary/>
-            </value>
-        </item>
-        <item>
-            <key> <string>globals</string> </key>
-            <value>
-              <dictionary/>
-            </value>
-        </item>
-        <item>
-            <key> <string>title</string> </key>
-            <value> <string></string> </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-</ZopeData>