Shorten every instance of "CHANNEL" to "C" and whisper too

To save a little space in messages, it's getting very cramped

Modules/Sniffer.lua

@@ -31,7 +31,7 @@ function shared.Sniffer.Init()
 		end
 		smellThrottle[stinky] = GetTime()
 		local msg = {
-			channel = "CHANNEL",
+			channel = "C",
 			data = Heimdall_Data.config.deathReporter.notifyChannel,
 			message = string.format(shared.L.en.snifferStinky, stinky),
 		}
@@ -44,7 +44,7 @@ function shared.Sniffer.Init()
 		if Heimdall_Data.config.echoToRussian then
 			-- Russian message
 			local ruMsg = {
-				channel = "CHANNEL",
+				channel = "C",
 				data = Heimdall_Data.config.deathReporter.notifyChannel .. "ru",
 				message = string.format(shared.L.ru.snifferStinky, stinky),
 			}