[ENH] StandardScalar and Normalize Collection transformers

[TonyBagnall]

Describe the feature or idea you want to propose

as @MatthewMiddlehurst pointed out at the time, (I didnt notice), there is duplication of functionality in these two collection transformers. We should resolve it/ Also related to #1210

Describe your proposed solution

benchmark both and pick one to keep.

Describe alternatives you've considered, if relevant

No response

Additional context

No response