Don't set Visual group in gui_mch_def_colors()

git-svn-id: http://macvim.googlecode.com/svn/trunk@280 96c4425d-ca35-0410-94e5-3396d5c13a8f

gui_macvim.m

@@ -469,10 +469,6 @@ gui_mch_def_colors()
         [backend lookupColorWithKey:@"MacTextColor"];
     gui.def_back_pixel = gui.back_pixel = 
         [backend lookupColorWithKey:@"MacTextBackgroundColor"];
-
-    // Set the text selection color to match the system preferences.
-    // TODO: Is there a better way to do this?
-    do_cmdline_cmd((char_u*)"hi Visual guibg=MacSelectedTextBackgroundColor");
 }