[Cleanup] Removing changes associated with visualWordMovement since it is never used.

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index b0796af88365aa6dc3d2ec28bb429d9516858a4e..7f1d7bd068fce50bad5ac344e6a09eaea6eb0321 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -493,9 +493,6 @@ WebPreferences RenderViewHostImpl::GetWebkitPrefs(const GURL& url) {
   if (command_line.HasSwitch(switches::kDisableSmoothScrolling))
     prefs.enable_scroll_animator = false;
 
-  prefs.visual_word_movement_enabled =
-      command_line.HasSwitch(switches::kEnableVisualWordMovement);
-
   // Certain GPU features might have been blacklisted.
   GpuDataManagerImpl::GetInstance()->UpdateRendererWebPrefs(&prefs);