will be in core ElvUI so no reason to keep

diff --git a/ElvUI_SLE/modules/chat.lua b/ElvUI_SLE/modules/chat.lua
index efa7967..0f24bf6 100644
--- a/ElvUI_SLE/modules/chat.lua
+++ b/ElvUI_SLE/modules/chat.lua
@@ -574,12 +574,6 @@ hooksecurefunc(E, "UpdateMedia", ChatTextures)
 hooksecurefunc(CH, "Initialize", function(self)
 	if not E.private.chat.enable then return end

-	if self.db.chatHistory then
-		self.SoundPlayed = true;
-		self:DisplayChatHistory()
-		self.SoundPlayed = nil;
-	end
-
 	self:RegisterEvent("GROUP_JOINED", function() E:Delay(5, function() CH:CheckLFGRoles() end) end)

 	if E.db.sle.chat.guildmaster then