bench doesn't need to be a class

lua/dep.lua

@@ -62,7 +62,7 @@ end
 return function(opts)
   M.config_path = debug.getinfo(2, "S").source:sub(2)
   logger.pipe = logger:setup()
-  bench:setup()
+  bench.setup()
   lazy.setup()
 
   --- make comparison for table.sort

lua/dep/bench.lua

@@ -7,11 +7,8 @@
 local bench = {}
 local b
 
-function bench:setup()
+function bench.setup()
   local o = {}
-  self = {}
-  self.__index = self
-  setmetatable(o, self)
 
   o.perf = {}
   o.inited = true