Revert "12/21 modernizations from TG live"

code/modules/modular_computers/NTNet/NTNRC/conversation.dm

@@ -1,65 +0,0 @@
-var/global/static/ntnrc_uid = 0
-
-/datum/ntnet_conversation
-	var/id = null
-	var/title = "Untitled Conversation"
-	var/datum/computer_file/program/chatclient/operator // "Administrator" of this channel. Creator starts as channel's operator,
-	var/list/messages = list()
-	var/list/clients = list()
-	var/password
-
-/datum/ntnet_conversation/New()
-	id = ntnrc_uid
-	ntnrc_uid++
-	if(ntnet_global)
-		ntnet_global.chat_channels.Add(src)
-	..()
-
-/datum/ntnet_conversation/proc/add_message(message, username)
-	message = "[worldtime2text()] [username]: [message]"
-	messages.Add(message)
-	trim_message_list()
-
-/datum/ntnet_conversation/proc/add_status_message(message)
-	messages.Add("[worldtime2text()] -!- [message]")
-	trim_message_list()
-
-/datum/ntnet_conversation/proc/trim_message_list()
-	if(messages.len <= 50)
-		return
-	messages = messages.Copy(messages.len-50 ,0)
-
-/datum/ntnet_conversation/proc/add_client(datum/computer_file/program/chatclient/C)
-	if(!istype(C))
-		return
-	clients.Add(C)
-	add_status_message("[C.username] has joined the channel.")
-	// No operator, so we assume the channel was empty. Assign this user as operator.
-	if(!operator)
-		changeop(C)
-
-/datum/ntnet_conversation/proc/remove_client(datum/computer_file/program/chatclient/C)
-	if(!istype(C) || !(C in clients))
-		return
-	clients.Remove(C)
-	add_status_message("[C.username] has left the channel.")
-
-	// Channel operator left, pick new operator
-	if(C == operator)
-		operator = null
-		if(clients.len)
-			var/datum/computer_file/program/chatclient/newop = pick(clients)
-			changeop(newop)
-
-
-/datum/ntnet_conversation/proc/changeop(datum/computer_file/program/chatclient/newop)
-	if(istype(newop))
-		operator = newop
-		add_status_message("Channel operator status transferred to [newop.username].")
-
-/datum/ntnet_conversation/proc/change_title(newtitle, datum/computer_file/program/chatclient/client)
-	if(operator != client)
-		return 0 // Not Authorised
-
-	add_status_message("[client.username] has changed channel title from [title] to [newtitle]")
-	title = newtitle