remove class

lua/nvim-tree/class.lua

@@ -1,47 +0,0 @@
----Generic class, useful for inheritence.
----@class (exact) ClassOld
-local ClassOld = {}
-
----@generic T
----@param self T
----@param o T|nil
----@return T
-function ClassOld:new(o)
-  o = o or {}
-
-  setmetatable(o, self)
-  self.__index = self ---@diagnostic disable-line: inject-field
-
-  return o
-end
-
----Object is an instance of class
----This will start with the lowest class and loop over all the superclasses.
----@generic T
----@param class T
----@return boolean
-function ClassOld:is(class)
-  local mt = getmetatable(self)
-  while mt do
-    if mt == class then
-      return true
-    end
-    mt = getmetatable(mt)
-  end
-  return false
-end
-
----Return object if it is an instance of class, otherwise nil
----@generic T
----@param class T
----@return T|nil
-function ClassOld:as(class)
-  return self:is(class) and self or nil
-end
-
--- avoid unused param warnings in abstract methods
----@param ... any
-function ClassOld:nop(...) --luacheck: ignore 212
-end
-
-return ClassOld