fix(manifests): Updating manifests since now storage class is defined…

[Jcardoso-Instadeep]

This PR comes after the changes done in AIChor where the storage class is no longer defined during import but rather at experiment level, in the manifest

See: MR

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[a-pichard]

Could you add them but commented, the goal of these manifest is to start experiments with a minimal configuration

[Jcardoso-Instadeep]

Fixed it 🙂