Update luacheck rules

.luacheckrc

@@ -1,12 +1,7 @@
 allow_defined = true
+compat=true
 max_line_length = false
 
 std = {
-   read_globals = {
+   read_globals = {"CHAT_SYSTEM", "EVENT_ACHIEVEMENT_UPDATED","EVENT_ADD_ON_LOADED","EVENT_MANAGER", "LibStub","LINK_STYLE_BRACKET", "zo_callLater","ZO_SavedVars"}
-       "LINK_STYLE_BRACKET", 
-       "EVENT_MANAGER", 
-       "CHAT_SYSTEM", 
-       "ZO_SavedVars", 
-       "LibStub"
-    }
 }