removed tramp password cache expiry

Chizi123

2018-11-18 21067e7cbe6d7a0f65ff5c317a96b5c337b0b3d8

 custom/setup-files.el

@@ -3,3 +3,4 @@
;; tramp setup
(when (eq window-system 'w32)
  (setq tramp-default-method "plink"))
(setq password-cache-expiry nil)