account-reconcile/account_statement_ext_voucher/statement_voucher_view.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>

        <record id="account_voucher.view_bank_statement_form_invoice" model="ir.ui.view">
            <field name="name">account.bank.statement.invoice.form.inherit</field>
            <field name="model">account.bank.statement</field>
            <field name="type">form</field>
            <field name="inherit_id" ref="account.view_bank_statement_form"/>
            <field name="arch" type="xml">
              <field name="currency" invisible="1" position="after">
              </field>
            </field>
        </record>

    </data>
</openerp>