Remove custom elpa path (#19)

Same as PR, emacs-lsp/lsp-mode#2908

Author: jcs090218

test/windows-bootstrap.el

@@ -23,11 +23,6 @@
 
 (require 'package)
 
-(setq user-emacs-directory (expand-file-name (make-temp-name ".emacs.d")
-                                             "~")
-      package-user-dir (expand-file-name (make-temp-name "tmp-elpa")
-                                         user-emacs-directory))
-
 (let* ((package-archives '(("melpa" . "https://melpa.org/packages/")
                            ("gnu" . "http://elpa.gnu.org/packages/")))
        (pkgs '(lsp-mode)))