[CthulhuTech_1ed] Fix Agility math to correctly roll AGI Feat

[KasaiMagi]

Dice were counted by raw Agi instead of floor(Agi / 2) like all other attribute feat rolls.

Changes / Comments

Provide a few comments about what you have changed.
AGI Feat was changed to calculate number of dice equal to raw AGI. This is incorrect and does not match how the other attribute feats are calculated. Dice count should equal floor(AGI / 2)

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