Remove duplicates from Emissions Profile datasets

[kalashsinghal]

Relates to https://github.com/2DegreesInvesting/tiltToyDataPrivate/pull/13

The emission profile toy datasets contain duplicates after reverting the shuffle of activity_uuid_product_uuid column. This PR removes these duplicates.

cc' @Tilmon @maurolepore

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TODO

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• [x] Describe the goal of the PR. Avoid details that are clear in the diff.
• [x] Mark the PR as draft.
• [x] Include a unit test.
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EXCEPTIONS

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