Merge branch '446293-remove-default-organization-plan_provisioning' into 'master'

Remove seeding of default organization for plan_provision

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/176005



Merged-by: Rémy Coutable <remy@rymai.me>
Approved-by: Josianne Hyson <jhyson@gitlab.com>
Approved-by: Rémy Coutable <remy@rymai.me>
Reviewed-by: Rémy Coutable <remy@rymai.me>
Reviewed-by: Josianne Hyson <jhyson@gitlab.com>
Co-authored-by: Rutger Wessels <rwessels@gitlab.com>