[Cleanup] Cleaning up Raid.cpp (#3125)

* [Cleanup] Cleanup Raid.cpp

* cleanup

* fix is_bot instances

* bracket cleanup

* bracket cleanup

* rename variables in struct

* fix for merge

zone/spells.cpp

@@ -496,7 +496,7 @@ bool Mob::DoCastSpell(uint16 spell_id, uint16 target_id, CastingSlot slot,
 
 void Mob::DoSpellInterrupt(uint16 spell_id, int32 mana_cost, int my_curmana) {
 	//The client will prevent spell casting if insufficient mana, this is only for serverside enforcement.
-	LogSpells("Spell Error not enough mana spell=[{}] mymana=[{}] cost=[{}]\n", spell_id, my_curmana, mana_cost);
+	LogSpells("Not enough mana spell [{}] curmana [{}] cost [{}]\n", spell_id, my_curmana, mana_cost);
 	if (IsClient()) {
 		//clients produce messages... npcs should not for this case
 		MessageString(Chat::Red, INSUFFICIENT_MANA);