[FIX]maintenance_plan migration scripts not applicable in v13

Update translation files

Updated by "Update PO files to match POT (msgmerge)" hook in Weblate.

Translation: maintenance-13.0/maintenance-13.0-maintenance_plan
Translate-URL: https://translation.odoo-community.org/projects/maintenance-13-0/maintenance-13-0-maintenance_plan/

maintenance_plan/i18n/es.po

@@ -196,7 +196,6 @@ msgstr "Peticiones de mantenimiento"
 #. module: maintenance_plan
 #: model:ir.actions.act_window,name:maintenance_plan.hr_equipment_request_action_from_plan
 #, fuzzy
-#| msgid "Maintenance Request"
 msgid "Maintenance Requests"
 msgstr "Peticiones de mantenimiento"