move missing tango icons from galaxy
cause tango isn't finished without galaxy

missing links in links.txt from 6.1 release are not added

Change-Id: Ia199beabe2a465cb7e8013be807e610249f42424
Reviewed-on: https://gerrit.libreoffice.org/57288
Tested-by: Jenkins
Reviewed-by: Heiko Tietze <tietze.heiko@gmail.com>