A few icons are still left in the folder as these are used as fallback for tango.
See industrial/README for details.

Change-Id: Iaeb672609cd57bba5707cbafbfe295bfb8c5011d
Reviewed-on: https://gerrit.libreoffice.org/19149Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
Tested-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>