GridSearch should be always inside the pipeline steps, not defined during the evaluation.

[bruAristimunha]

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          @bruAristimunha I think we discussed about deprecating grid search at some point, such that it would be included in the pipelines directly, not the evaluations

Originally posted by @PierreGtch in https://github.com/NeuroTechX/moabb/issues/769#issuecomment-2851093470