compat: disable scroll-margin

This conflicts with the `smooth-scroll` Doom module.

config.org

@@ -1159,7 +1159,6 @@ It wouldn't be Emacs if there wasn't an endless list of config variables to chan
       (executable-find "bash")            ; Use bash instead of fish for default shell
       disabled-command-function nil       ; Disabled commands are a stupid idea
       password-cache-expiry nil           ; Security? Never heard of it
-      scroll-margin 2                     ; A few extra lines on each end of the window
       )
 
 (global-subword-mode +1)