[Commands] Cleanup #reloadworld and #repop Command. (#2127)

* [Commands] Cleanup #reloadworld Command.
- Cleanup messages and logic.

* [Commands] Cleanup #reloadworld and #repop Command.
- Cleanup messages and logic.
- Add #reloadworld 2 option to forcefully repop all mobs globally as well as reset quest timers and reload quests.
- Remove delay argument from #repop as it isn't used for anything.

* Typos.

zone/questmgr.cpp

@@ -2520,20 +2520,11 @@ std::string QuestManager::gettaskname(uint32 task_id) {
 }
 
 void QuestManager::clearspawntimers() {
-	if(!zone)
+	if (!zone) {
         return;
-
-	//TODO: Dec 19, 2008, replace with code updated for current spawn timers.
-    LinkedListIterator<Spawn2*> iterator(zone->spawn2_list);
-	iterator.Reset();
-	while (iterator.MoreElements()) {
-		std::string query = StringFormat("DELETE FROM respawn_times "
-                                        "WHERE id = %lu AND instance_id = %lu",
-                                        (unsigned long)iterator.GetData()->GetID(),
-                                        (unsigned long)zone->GetInstanceID());
-        auto results = database.QueryDatabase(query);
-		iterator.Advance();
 	}
+
+	zone->ClearSpawnTimers();
 }
 
 void QuestManager::ze(int type, const char *str) {