Removed the debug notification

libs/thumbnail.lua

@@ -13,7 +13,6 @@ thumbnailer.generate = function(path,thumb_path,height)
     assert(type(path) == "string", "argumenr #1 (path) is not a string")
     assert(type(thumb_path) == "string", "argument #2 (thumbnail path) is not a string")
     assert(type(height) == "number","argument #3 (height) is not a number")
-    require("naughty").notify({text = tostring(path).." "..tostring(thumb_path.." ")..tostring(height)})
     if execute("ls "..path) ~= 0 then
         return false, "unable to access image directory"
     end