Remove plugins-security-manager-portlet from 6.2.x+

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.X EE, 7.0.0 M3
• Fix Version/s: 6.2.X EE, 7.0.0 M1
• Component/s: Application Security > PACL, Security Vulnerability
• Labels: None
• Branch Version/s:
  6.2.x
• Backported to Branch:
  Committed

No longer needed with the changes to PACL