fix(modeline): change macOS default EOL type to LF

It looks like CR was only the default line ending type for Mac in
Mac OS 9 and earlier, and it's now quite uncommon:
- https://retrocomputing.stackexchange.com/a/21906
- https://superuser.com/a/439443

modules/ui/modeline/config.el

@@ -23,8 +23,7 @@
         ;; Only show file encoding if it's non-UTF-8 and different line endings
         ;; than the current OSes preference
         doom-modeline-buffer-encoding 'nondefault
-        doom-modeline-default-eol-type
-        (pcase (car doom-system) ('macos 2) ('windows 1) (_ 0)))
+        doom-modeline-default-eol-type (if (featurep :system 'windows) 1 0))
 
   :config
   ;; Fix an issue where these two variables aren't defined in TTY Emacs on MacOS