Update talent tactics for AI
This merge request contains following changes:
- update tactics for talents
- add damage type in tactics for weapon-related talent, and accuracy & defense check, add damage & armor & APR check.
- adjust tactics for certain special talents: Chants, Snap-like refresh talents, Disperse, Ward...
- remove some useless skills from npc
These changes should have no influence on the real effects of the affected talents.