Remove TooManyShardsInSnapshotsStatusException and its registration

[ltaragi]

Is your feature request related to a problem? Please describe

Remove TooManyShardsInSnapshotsStatusException and its registration

Describe the solution you'd like

The registration can be removed from OpenSearchServerException and the test ExceptionSerializationTests.java

Related component

Storage:Snapshots

Describe alternatives you've considered

No response

Additional context

No response