Remove git diff shortcut

Native shortcut with Alt+d is more useful (delete word from cursor to
right).

Install/Templates/config/fish/functions/fish_user_key_bindings.fish

@@ -1,5 +1,4 @@
 function fish_user_key_bindings --description 'My custom key bindings'
 	bind \en git_status_short
-	bind \ed git_diff
 	bind \eg git_write_keyword
 end