DC2B-145: Disable non functional search features.

1) Remove "The Simple Search Box" (both in the main portal panel and the "Current Search" tab)
2) Remove "Parameter search" from the limit search to" menu (both in the main portal panel and the "Current Search" tab)
 3) Remove "Keyword search" from the limit search to" menu (both in the main portal panel and the "Current Search" tab)
 4) Remove "organisation search" from the limit search to" menu (both in the main portal panel and the "Current Search" tab)