Core/Cleanup: Drop some unused code and update some unknown player flags (from Mangos).

Closes #1167

src/server/game/Miscellaneous/SharedDefines.h

@@ -642,8 +642,6 @@ enum Team
     TEAM_OTHER               = 0,                         // if ReputationListId > 0 && Flags != FACTION_FLAG_TEAM_HEADER
 };
 
-const Team TeamId2Team[3] = {ALLIANCE, HORDE, TEAM_OTHER};
-
 enum SpellEffects
 {
     SPELL_EFFECT_INSTAKILL                 = 1,
@@ -1211,12 +1209,6 @@ enum Mechanics
     (1<<MECHANIC_SHACKLE)|(1<<MECHANIC_TURN)|(1<<MECHANIC_HORROR)| \
     (1<<MECHANIC_DAZE)|(1<<MECHANIC_SAPPED))
 
-// Daze and all croud control spells except polymorph are not removed
-#define MECHANIC_NOT_REMOVED_BY_SHAPESHIFT (\
-    (1<<MECHANIC_CHARM)|(1<<MECHANIC_DISORIENTED)|(1<<MECHANIC_FEAR)|(1<<MECHANIC_PACIFY)| \
-    (1<<MECHANIC_STUN)|(1<<MECHANIC_FREEZE)|(1<<MECHANIC_BANISH)|(1<<MECHANIC_SHACKLE)| \
-    (1<<MECHANIC_HORROR)|(1<<MECHANIC_TURN)|(1<<MECHANIC_DAZE)|(1<<MECHANIC_SAPPED))
-
 // Spell dispell type
 enum DispelType
 {