Perk Category doesn't exist (#75029)

* Update mutation.cpp

Update src/mutation.cpp

Update src/mutation.cpp

Co-Authored-By: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Update mutation_data.cpp

* Update mutation.cpp

* Revert "Merge branch 'Perk-category-shouldn't-count-for-instability' of https://github.com/Maleclypse/Cataclysm-DDA into Perk-category-shouldn't-count-for-instability"

This reverts commit 780ea4d, reversing
changes made to ae98a7d.

* Update perks.json

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