Remove unused memoize library

core/autoload/memoize.el

@@ -1,31 +0,0 @@
-;;; core/autoload/memoize.el -*- lexical-binding: t; -*-
-
-;;;###autoload
-(defvar doom-memoized-table (make-hash-table :test 'equal :size 10)
-  "A lookup table containing memoized functions. The keys are argument lists,
-and the value is the function's return value.")
-
-;;;###autoload
-(defun doom-memoize (name)
-  "Memoizes an existing function. NAME is a symbol."
-  (let ((func (symbol-function name)))
-    (put name 'function-documentation
-         (concat (documentation func) " (memoized)"))
-    (fset name
-          `(lambda (&rest args)
-             (let ((key (cons ',name args)))
-               (or (gethash key doom-memoized-table)
-                   (puthash key (apply ',func args)
-                            doom-memoized-table)))))))
-
-;;;###autoload
-(defmacro def-memoized! (name arglist &rest body)
-  "Create a memoize'd function. NAME, ARGLIST, DOCSTRING and BODY
-have the same meaning as in `defun'."
-  (declare (indent defun) (doc-string 3))
-  `(,(if (bound-and-true-p byte-compile-current-file)
-         'with-no-warnings
-       'progn)
-     (defun ,name ,arglist ,@body)
-     (doom-memoize ',name)))
-