Pethandler cleanup

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Автор: Phatcat


<pre style='white-space:pre-wrap;width:81ex'>Pethandler cleanup

We have _player, no need to use GetPlayer()
remove a bit of code redundancy and simplify code flow a bit in some
areas.</pre>


Подробнее... (https://github.com/cmangos/mangos-wotlk/commit/1ce1d2092ba98b689e8fd4918d350dfbd3ea7248)