[REM] account: remove account.invoice.cancel

Removed useless class, not used except in a yml test.

addons/account/test/account_invoice_state.yml

@@ -46,13 +46,6 @@
 -
   !record {model: account.invoice.cancel, id: account_invoice_cancel_0}:
     {}
--
-  I clicked on Cancel Invoices Button
--
-  !python {model: account.invoice.cancel, id: False}: |
-    self.browse(ref("account_invoice_cancel_0")).with_context({"lang": 'en_US',
-      "tz": False, "active_model": "account.invoice", "active_ids": [ref("account_invoice_state")],
-      "type": "out_invoice", "active_id": ref("account_invoice_state"), }).invoice_cancel()
 -
   I check that customer invoice is in the cancel state
 -

addons/account/wizard/account_invoice_state.py

@@ -21,24 +21,3 @@ class AccountInvoiceConfirm(models.TransientModel):
                 raise UserError(_("Selected invoice(s) cannot be confirmed as they are not in 'Draft' state."))
             record.action_invoice_open()
         return {'type': 'ir.actions.act_window_close'}
-
-
-class AccountInvoiceCancel(models.TransientModel):
-    """
-    This wizard will cancel the all the selected invoices.
-    If in the journal, the option allow cancelling entry is not selected then it will give warning message.
-    """
-
-    _name = "account.invoice.cancel"
-    _description = "Cancel the Selected Invoices"
-
-    @api.multi
-    def invoice_cancel(self):
-        context = dict(self._context or {})
-        active_ids = context.get('active_ids', []) or []
-
-        for record in self.env['account.invoice'].browse(active_ids):
-            if record.state in ('cancel', 'paid'):
-                raise UserError(_("Selected invoice(s) cannot be cancelled as they are already in 'Cancelled' or 'Done' state."))
-            record.action_invoice_cancel()
-        return {'type': 'ir.actions.act_window_close'}

addons/account/wizard/account_invoice_state_view.xml

@@ -26,27 +26,5 @@
             res_model="account.invoice.confirm" src_model="account.invoice"
             view_mode="form" target="new" view_type="form" />
 
-        <record id="account_invoice_cancel_view" model="ir.ui.view">
-            <field name="name">account.invoice.cancel.form</field>
-            <field name="model">account.invoice.cancel</field>
-            <field name="arch" type="xml">
-                <form string="Cancel Selected Invoices">
-                    <footer>
-                        <button string="Cancel Invoices" name="invoice_cancel" type="object" default_focus="1" class="btn-primary"/>
-                        <button string="Cancel" class="btn-default" special="cancel"/>
-                    </footer>
-                </form>
-            </field>
-        </record>
-
-        <record id="action_account_invoice_cancel" model="ir.actions.act_window">
-            <field name="name">Cancel Selected Invoices</field>
-            <field name="res_model">account.invoice.cancel</field>
-            <field name="view_type">form</field>
-            <field name="view_mode">form</field>
-            <field name="view_id" ref="account_invoice_cancel_view"/>
-            <field name="target">new</field>
-        </record>
-
     </data>
 </odoo>