A workaround applied in #i99360 (sha:44e008b0) does not works always correctly.
This workaround is required to avoid bug in X11 which is already
fixed in 2009 (https://bugs.launchpad.net/ubuntu/+source/ekiga/+bug/322310).
That fix should now be spread enough so there is no reason to keep it.

Change-Id: Ied6fe8f32d2da5922092bd9ed47ee56c4f67a255
Reviewed-on: https://gerrit.libreoffice.org/14671Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>