Kills the Icecropolis Ruin (#2289)

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## About The Pull Request
this PR kills the icecropolis ruin.
murder....
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## Why It's Good For The Game
why? because we want to move away from having ghost roles, which is the
entire purpose of the icecropolis
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## Changelog

:cl:
del: Removed the Icecropolis, and the related code
/:cl:

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