* fix(DB/spell): Remove delay from Flare activation
The activation of the Flare (spell id: 1543) AoE aura was delayed
until the projectile hit the ground, which takes 5 seconds. Apparently
this is not blizzlike and the area should be activated instantly
when casting the spell.
Closes#5908
Closes https://github.com/chromiecraft/chromiecraft/issues/650
* Remove unnecessary delete
* Move Flare spell fix to SpellMgr
* Fix indentation