Remove code

diff --git a/StarTip.lua b/StarTip.lua
index d2c77d2..038e004 100644
--- a/StarTip.lua
+++ b/StarTip.lua
@@ -162,18 +162,6 @@ local function errorhandler(err)
     return geterrorhandler()(err)
 end

-local function copy(tbl)
-	local localCopy = {}
-	for k, v in pairs(tbl) do
-		if type(v) == "table" then
-			localCopy[k] = copy(v)
-		elseif type(v) ~= "function" then
-			localCopy[k] = v
-		end
-	end
-	return localCopy
-end
-
 do
 	local pool = setmetatable({},{__mode='v'})
 	StarTip.executeCode = function(tag, code, data)