Remove yascroll mode, it was impacting scroll performance

appearance.el

@@ -52,11 +52,6 @@
     (when (require 'git-gutter-fringe nil 'noerror)
       (global-git-gutter-mode)))
 
-;; Enable Yascroll
-(if gui-window-system
-    (when (require 'yascroll nil 'noerror)
-      (global-yascroll-bar-mode 1)))
-
 ;; Display up to 20 results in when using grizzl completion.
 (when (require 'grizzl nil 'noerror)
   (setq *grizzl-read-max-results* 20))

packages.el

@@ -100,7 +100,6 @@
     writegood-mode
     writeroom-mode
     yaml-mode
-    yascroll
     yasnippet
     zencoding-mode
     )