[Backport 4.2.x] Move datastorage providers to maven modules and include them in the build on demand

[josegar74]

Backport #7302

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[ianwallen]

Where is this file coming from - I don't see it in the original PR that is being backported?

[josegar74]

@ianwallen that was committed accidentally, I'll remove it.

Thanks for checking it.