Fix missing comma introduced in commit 12522
[12530] Fix duplicate entry issue added in [12522]

Signed-off-by: Xfurry <xfurry@scriptdev2.com>

Conflicts:
	sql/updates/12522_01_mangos_db_script_string.sql
[12531] Implement the spells used in the Chess Event encounter

Combat spell entries: 37775, 37824, 39338, 39342, 39341, 39344, 45260
Melee spells: 37142, 37143, 37147, 37149, 37150, 37220, 37227, 37228, 37337, 37339, 37345, 37348
Chess movement spells: 30012, 32312, 37388, 30284, 37144, 37146, 37148, 37151, 37152, 37153
Aura stacking exception: 32261 and 39400

Conflicts:
	src/game/Spell.cpp
	src/game/SpellEffects.cpp
	src/game/SpellMgr.cpp
[12532] Cody Style Improvements

Also remove an unused variable (thanks to Den for this!)

Conflicts:
	src/framework/Dynamic/ObjectRegistry.h
	src/framework/Utilities/LinkedReference/Reference.h
	src/game/Map.h
	src/game/Object.cpp
	src/game/Unit.h
[12534] Add missing spell 61437 to playercreate spells for bloodelves

Thanks to NeatElves for porting from TC and pointing to this

Signed-off-by: Schmoozerd <schmoozerd@cmangos.net>
SD2 update
Merge https://github.com/mangosR2/mangos into SPP
Merge branch 'SPP' of https://github.com/conan513/SingleCore into playerbotai