Remove unused core files

core/core-os.el

@@ -1,59 +0,0 @@
-;;; core-os.el --- consistent behavior across OSes
-
-(defconst IS-MAC     (eq system-type 'darwin))
-(defconst IS-LINUX   (eq system-type 'gnu/linux))
-(defconst IS-WINDOWS (eq system-type 'windows-nt))
-
-(setq x-select-request-type '(UTF8_STRING COMPOUND_TEXT TEXT STRING)
-      ;; Use a shared clipboard
-      select-enable-clipboard t
-      select-enable-primary t)
-
-
-;;;
-;; OS-specific configs
-(cond (IS-MAC
-       ;; Prefixes: Command = M, Alt = A
-       (setq mac-command-modifier 'meta
-             mac-option-modifier  'alt
-             ;; sane trackpad/mouse scroll settings
-             mac-redisplay-dont-reset-vscroll t
-             mac-mouse-wheel-smooth-scroll nil
-             mouse-wheel-scroll-amount '(5 ((shift) . 2))  ; one line at a time
-             mouse-wheel-progressive-speed nil             ; don't accelerate scrolling
-             ;; Curse Lion and its sudden but inevitable fullscreen mode!
-             ;; NOTE Meaningless to railwaycat's emacs-mac build
-             ns-use-native-fullscreen nil
-             ;; Don't open files from the workspace in a new frame
-             ns-pop-up-frames nil)
-
-       ;; On OSX, in GUI Emacs, `exec-path' isn't populated properly (it should
-       ;; match $PATH in my shell). `exe-path-from-shell' fixes this.
-       (package! exec-path-from-shell)
-       (when (display-graphic-p)
-         (setenv "SHELL" "/usr/local/bin/zsh")
-         ;; `exec-path-from-shell' is slow, so bring out the cache
-         (setq exec-path
-               (or (persistent-soft-fetch 'exec-path "emacs")
-                   (persistent-soft-store
-                    'exec-path
-                    (progn
-                      (require 'exec-path-from-shell)
-                      (exec-path-from-shell-initialize)
-                      exec-path)
-                    "emacs"))))
-
-       (after! evil
-         ;; On OSX, stop copying each visual state move to the clipboard:
-         ;; https://bitbucket.org/lyro/evil/issue/336/osx-visual-state-copies-the-region-on
-         ;; Most of this code grokked from:
-         ;; http://stackoverflow.com/questions/15873346/elisp-rename-macro
-         (when (or (featurep 'mac) (featurep 'ns))
-           (advice-add 'evil-visual-update-x-selection :override 'ignore))))
-
-      (IS-LINUX
-       (setq x-super-keysym 'meta
-             x-meta-keysym  'alt)))
-
-(provide 'core-os)
-;;; core-os.el ends here