[8] code review 8023108: Remove ShortRSAKey1024.sh from ProblemList.txt

[Vincent Ryan]

Please approve the removal of ShortRSAKey1024.sh from the test exclusion list
as it is now passing reliably on Windows platforms.

Bug:
  http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8023108
Webrev:
  http://cr.openjdk.java.net/~vinnie/8023108/webrev.00/

Thanks.