Fixes the runtime of civilians spawning with a tier 0 skill book + optimizations and cleanup

[Gboster-0]

About The Pull Request

• Reworks a good chunk of code surrounding civilians skill books spawning in, making the game no longer try to spawn non-existant books
• Brings fishing skills up to the coding standard for skills

Why It's Good For The Game

Reworks a good chunk of code surrounding civilians skill books spawning in, making the game no longer try to spawn non-existant books

• Made a good chunk of non-map runtimes on COL/CF rounds. Using a static var we can now also generate the list once and never again, saving a lil bit of processing at the cost of memory.

Brings fishing skills up to the coding standard for skills

• "Give me 300 of this, 18000 of that" <-- statements made by the utterly deranged

Changelog

🆑
code: Fixed runtimes relating to civilians spawning in with level 0 skill books
/:cl:

[InsightfulParasite]

Code looks good in my book. Approved!

[Kitsunemitsu]

Cleans up fishskill code, and generally important updates