Add retail missing drop Forgottens Scrolls 83

- Improvement wrong drop for npc id "20552"
- Updated Lv 83 to Forgotten Scrolls High Five
- Updated Skills/Forgotten Acquisition Level
- AutoLearnForgottenScrollSkills = True at the correct level
- Updated Skill Acquisition SP
- Add missing skill High Five Skill Acquisition
- Reorganized Skill Acquisition by Level

A long time ago i had opened this Pull Request -->
https://github.com/L2J/L2J_DataPack/pull/152
I closed because it lacked the part of retail droplist for Forgotens
Scrolls Lv 83, right now done.