[REM] project_issue: removed dead on_change_template override

This function was removed in 9.0 at 1dbccc8215.

addons/project_issue/models/account_analytic_account.py

@@ -10,14 +10,6 @@ class AccountAnalyticAccount(models.Model):
 
     use_issues = fields.Boolean(string='Use Issues', help="Check this box to manage customer activities through this project")
 
-    @api.multi
-    def on_change_template(self, template_id, date_start=False):
-        res = super(AccountAnalyticAccount, self).on_change_template(template_id, date_start=date_start)
-        if template_id and 'value' in res:
-            account_analytic_account = self.browse(template_id)
-            res['value']['use_issues'] = account_analytic_account.use_issues
-        return res
-
     @api.multi
     def unlink(self):
         if self.env['project.issue'].search_count([('project_id.analytic_account_id', 'in', self.ids)]):