Remove groups attribute in `is_company` SR field
CHANGELOG:
### Changed
- [#1012](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1012) Remove groups attribute in `is_company` SR field, to allow this field to be seen by all users
Related card: https://trello.com/c/FJJmEwOc/1512-camp-%C3%A9s-empresa-en-la-creaci%C3%B3-de-subscripcions-manual
Edited by Gerard Funosas