[monk] Shado-pan Implementation

[renanthera]

• [monk] Remove old One Versus Many and Efficient Training implementations.
• [monk] Reimplement Flurry Strikes, Wisdom of the Wall. Implement Stand Ready.

TODO:

• Shado Over the Battlefield sqrt scaling (?) verification
• Weapons of the Wall
• Flurry Charge proc rate
• Whirling Steel
• Predictive Training