Deprecate Auto3DSeg AlgoEnsembleKeys by AlgoKeys

[mingxin-zheng]

Is your feature request related to a problem? Please describe.

This is spawned from the conversation in this PR.

The AlgoEnsembleKeys are used in outside of Auto3DSeg ensemble scope, and so the name should be changed.

Describe the solution you'd like

Replace AlgoEnsembleKeys with AlgoKeys

Describe alternatives you've considered

Replace AlgoEnsembleKeys with SegAlgoKeys, or other suggestions can be taken.

Additional context
Link to:

• semantic updates for Auto3dseg #1288

[mingxin-zheng]

Wrong place to post issue. Closing this one.