Changing demo shout threat gen

[Sjunga-bloodsail-buccaneers]

Demoralizing shout is bugged and it is why we have this AoE meta

Hi All, We have identified a fix for an issue that was causing Demoralizing Shout/Roar to generate too much threat when applied to multiple enemies. In addition, we’ve also identified a fix for a separate issue that was causing Battle Shout and most healing spells, effects, and buffs to incorrectly split the threat they generate between enemies that had members of the buffed party on their threat list. Hotfixes for these issues are going to be deployed very soon, at which time all of these eff…