Revert "Merge pull request #1 from RCOSDP/hotfix/14679"

This reverts commit 4cee131, reversing
changes made to 3cec08d.

Author: fujimoto

Dockerfile

@@ -55,9 +55,9 @@ RUN usermod -d /home www-data \
     && pip install setuptools==37.0.0 \
     && mkdir -p /code
 
-ENV LIBREOFFICE_VERSION 6.1.6.3
-ENV LIBREOFFICE_ARCHIVE LibreOffice_6.1.6.3_Linux_x86-64_deb.tar.gz
-ENV LIBREOFFICE_MIRROR_URL https://downloadarchive.documentfoundation.org/libreoffice/old/
+ENV LIBREOFFICE_VERSION 6.1.6
+ENV LIBREOFFICE_ARCHIVE LibreOffice_6.1.6_Linux_x86-64_deb.tar.gz
+ENV LIBREOFFICE_MIRROR_URL https://download.documentfoundation.org/libreoffice/stable/
 RUN apt-get update \
     && apt-get install -y \
         curl \