[master] 0e192d6fa glitches from previous commit

[Nils Goroll]

commit 0e192d6fa1691ebe9a4a3dcb600579cd43a0c1ba
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Mon Feb 3 14:17:59 2020 +0100

    glitches from previous commit
    
    Sorry, I had missed a fixup before push

diff --git a/doc/sphinx/installation/install_source.rst b/doc/sphinx/installation/install_source.rst
index 39d30a4cc..488fe235c 100644
--- a/doc/sphinx/installation/install_source.rst
+++ b/doc/sphinx/installation/install_source.rst
@@ -98,15 +98,13 @@ packages::
 	autoconf \
 	automake \
 	jemalloc-devel \
-	libconfig-devel \
 	libedit-devel \
 	libtool \
 	libunwind-devel \
 	ncurses-devel \
 	pcre-devel \
 	pkgconfig \
-	python3-docutils \
-	python3-sphinx
+	python3-docutils
 
 Optionally, to rebuild the svg files::