Revert "libcroco: Add fix for CVE-2020-12825"

This reverts commit 522603b.

This change was for oe-core not meta-oe repository, creating
unused directory "meta" which doesn't belong here.

Signed-off-by: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

Author: shr-project