[Form] removed overwrite the required

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | []
| License       | MIT
| Doc PR        | doc/current/reference/forms/types/repeated.html

Removed overwrite the required,ccording to the documentation value is set in the subarray options, currently has always overridden by the required from options array, so the fields were always required.