[$400] Project Ubahn | Correct enrich code

[callmekatootie]

Correct the winning submission for the enrich processor

• Fix the enrich approach

• Fix the data insertion script

• Fix the db migration script

• Fix the delete data script

[cwdcwd]

Contest https://www.topcoder.com/challenges/30146932 has been created for this ticket.

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Contest https://www.topcoder.com/challenges/30146932 has been updated - it has been assigned to callmekatootie.

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Payment task has been updated: https://software.topcoder.com/review/actions/ViewProjectDetails?pid=30146932

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