Revert "Creature/Loot: Fix a bug that prevented players from looting creatures that only had gold on them (no items)."

This reverts commit 63f577a7ef4df2d6ebf90fc137c3cb8902b29d0a.

See discussion in commit comments.

src/server/game/Entities/Player/Player.cpp

@@ -17793,7 +17793,7 @@ bool Player::isAllowedToLoot(const Creature* creature)
     const Loot* loot = &creature->loot;
     if (loot->isLooted()) // nothing to loot or everything looted.
         return false;
-    if (!loot->gold && !loot->hasItemForAll() && !loot->hasItemFor(this)) // no loot in creature for this player
+    if (!loot->hasItemForAll() && !loot->hasItemFor(this)) // no loot in creature for this player
         return false;
 
     if (loot->loot_type == LOOT_SKINNING)