DB/SAI: Fix AI for Lord Kragaru
Scripts/ObsidianSanctum: added creature_formations for surrounding creatures and some clean up
Merge pull request #11359 from MitchesD/obsidian_sanctum

Scripts/ObsidianSanctum: added creature_formations for surrounding creatures and some clean up
Core/Transports: Fixed new spawned transports not being visible for players already present on map
Core/Battlegrounds: Removed unneeded code
DB/Creature_classlevelstats: Prepare table for attack power and damage.
DB/Creature_classlevelstats: Add attack power. Rogue class still lacking data.