Remove logic which auto creates any_approver rule in approval_rule params filtering service

Everyone can contribute. Help move this issue forward while earning points, leveling up and collecting rewards.

• Close this issue

https://gitlab.com/gitlab-org/gitlab/-/blob/44d105ba726956f66b1f1352a466d7ab7e6e124f/ee/app/services/approval_rules/params_filtering_service.rb#L57

The params filtering service converts the rule to an any_approver rule if no groups or users are passed