Remove neotree keybind

emacs.el

@@ -1367,9 +1367,6 @@ ORIG-FUNC is the target function, and ARGS is the argument when it is called."
 (set-variable 'vc-rcs-checkin-switches "-l")
 (set-variable 'vc-command-messages t)
 
-(when (fboundp 'neotree)
-  (define-key ctl-x-map (kbd "C-n") 'neotree))
-
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