[FIX] Do not specify iban for bank in demo data.

bank_statement_parse_camt/demo/demo_data.xml

@@ -18,7 +18,6 @@
             <field name="partner_id" ref="base.partner_root"></field>
             <field name="company_id" ref="base.main_company"></field>
             <field name="journal_id" ref="camt_bank_journal"></field>
-            <field name="state">iban</field>
             <field name="bank" ref="base.res_bank_1"/>
         </record>
     </data>