REPO: code-style clean-up

* Fixed pPlayer->player
* Fixed pCreature->creature

~DevNote: codestyle for Player should be (*player), not *plr or *p...
same goes for Creatures (*creature)... more cleaning needed.
We've way too many codestyles happening here.

src/server/game/Entities/Creature/Creature.h

@@ -456,7 +456,7 @@ class Creature : public Unit, public GridObject<Creature>
         ///// TODO RENAME THIS!!!!!
         bool isCanTrainingOf(Player* player, bool msg) const;
         bool isCanInteractWithBattleMaster(Player* player, bool msg) const;
-        bool isCanTrainingAndResetTalentsOf(Player* pPlayer) const;
+        bool isCanTrainingAndResetTalentsOf(Player* player) const;
         bool canCreatureAttack(Unit const* pVictim, bool force = true) const;
         bool IsImmunedToSpell(SpellInfo const* spellInfo);
                                                             // redefine Unit::IsImmunedToSpell