[REV]connector_importer: revert default job channel.

Author: Zakaria Makrelouf

connector_importer/models/recordset.py

@@ -240,7 +240,7 @@ def available_models(self):
         return self.import_type_id.available_models()
 
     @api.multi
-    @job(default_channel='root.import')
+    @job
     def import_recordset(self):
         """This job will import a recordset."""
         with self.backend_id.work_on(self._name) as work: