removed a comment that was likely a C&P error.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1983 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/model/Queue.java

@@ -202,8 +202,6 @@ public class Queue {
      * Returns true if this queue contains the said project.
      */
     public synchronized boolean contains(AbstractProject p) {
-        // if this project is already scheduled,
-        // don't do anything
         if(blockedProjects.contains(p) || buildables.contains(p))
             return true;
         for (Item item : queue) {