undoes a fuckup on a ruin (#1578)

* undoes a fuckup on a ruin
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## About The Pull Request
sets light range to 2 on the ruin areas of beach_colony.dmm
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## Why It's Good For The Game
the ruin is no longer pitch fucking dark in the middle of a daylit planet (hopefully)
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## Changelog

:cl:
fix: changes light range to 2 on the areas of beach_colony
/:cl:

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* im stupid