Revert update to handleSignal() in config.lua

stackline/config.lua

@@ -57,24 +57,19 @@ function StackConfig:registerWatchers() -- {{{
     end)
     return self
 end -- }}}
+
+local handleSignal = function(_, msgID, msg) -- {{{
+    if msgID == 900 then
+        return "version:2.0a"
+    end
 
--- TODO: integrate with StackConfig() module
-
-local handlers = {  -- {{{
-    ['900'] = function() return "version:2.0a" end,
-
-    ['500'] = function()
+    if msgID == 500 then
         local key, _value = msg:match(".+:([%a_-]+):([%a%d_-]+)")
         if key == "toggle_icons" then
-            stackline.config:toggle('showIcons')   -- global var
+            stackline.config:toggle('showIcons') -- global var
         end
     end
-}  -- }}}
-
-local function handleSignal(_, msgID, msg) -- {{{
-    print('msgID', msgID)
-    print('msg', msg)
-    return handlers[tostring(msgID)]
+    return "ok"
 end -- }}}
 
 -- luacheck: ignore