Reverted r4780 that broke gantt tests (#7280).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4782 e93f8b46-1217-0410-a6f0-8f06a7374b81

public/stylesheets/application.css

@@ -783,8 +783,6 @@ background-image:url('../images/close_hl.png');
 }
 
 .gantt_subjects { font-size: 0.8em; }
-.gantt_subject { position: absolute; line-height: 1.2em; height: 16px; overflow: hidden; text-overflow: ellipsis; }
-.gantt_subject-text { float: left; white-space: nowrap; }
 
 .task {
   position: absolute;