fix(tazjin/emacs): globally unbind C-x s

This shortcut is so unbelievably annoying on some keyboards.

Change-Id: I5c96d490fd42aa8422fa48be87079b60af81fcd3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6527
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI

users/tazjin/emacs/config/bindings.el

@@ -62,4 +62,8 @@
     (interactive)
     (notmuch-show-open-or-close-subthread t))) ;; open
 
+;; Get rid of the annoying `save-some-buffers' shortcut which I
+;; *NEVER* use intentionally.
+(unbind-key (kbd "C-x s") 'global-map)
+
 (provide 'bindings)