Clean up the modules a little

Modules/AgentTracker.lua

@@ -1,6 +1,5 @@
-local addonname, shared = ...
+local _, shared = ...
 ---@cast shared HeimdallShared
----@cast addonname string
 local ModuleName = "AgentTracker"
 
 ---@diagnostic disable-next-line: missing-fields
@@ -37,7 +36,7 @@ function shared.AgentTracker.Init()
 
 		local newAgents = 0
 		for i = 1, count do
-			local name = GetChannelRosterInfo(index, i)
+			name = GetChannelRosterInfo(index, i)
 			if name then
 				local isNewAgent = not Heimdall_Data.config.agents[name]
 				Heimdall_Data.config.agents[name] = date("%Y-%m-%dT%H:%M:%S")