Remove seamonkey from settings

elisp/settings.el

@@ -88,9 +88,5 @@
 ;; No more typing the whole yes or no. Just y or n will do.
 (fset 'yes-or-no-p 'y-or-n-p)
 
-;; Make seamonkey available for use
-(setq browse-url-browser-function 'browse-url-generic
-      browse-url-generic-program "seamonkey")
-
 ;; Mutt support
 (setq auto-mode-alist (append '(("/tmp/neomutt.*" . mail-mode)) auto-mode-alist))