Remove leftover MP2 migration file that is not needed anymore

This file was loaded inside the MP2MigratorTest class that was removed (https://github.com/mailpoet/mailpoet/pull/4235/files#diff-fa71dea302390fbf7c04d9d882a5a66a70d3daa432883d4ba6951e2ec5abe287L123) and thus it is not needed anymore.

[MAILPOET-4612]
This commit is contained in:
Rodrigo Primo
2022-09-02 16:02:17 -03:00
committed by Veljko V
parent 43ece08227
commit 8743e5654b

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