[LyX/2.3.1-staging] Amend 4ec133e1aeea8

[Juergen Spitzmueller]

commit 83c7e818f8d8b669b33b58847e90997b6edec8b5
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Tue Mar 6 19:54:24 2018 +0100

    Amend 4ec133e1aeea8
    
    Didn't see this test is already there.
---
 lib/chkconfig.ltx |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/lib/chkconfig.ltx b/lib/chkconfig.ltx
index 7a07851..3fd9572 100644
--- a/lib/chkconfig.ltx
+++ b/lib/chkconfig.ltx
@@ -444,7 +444,6 @@
 \TestPackage{iwona}
 \TestPackage{kurier}
 \TestPackage{lh-lcy}
-\TestPackage{libertine}
 \TestPackage{fontaxes} % required by libertine
 \TestPackage{libertine}
 \TestPackage{libertine-type1}