[etherpad-web/oscp-backend] Switch to full libreoffice package

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit b2e06820a0956b7a65119daabbb6ded7d14ec076
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Wed May 20 11:13:58 2020 +0200

    Switch to full libreoffice package

 Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/Dockerfile b/Dockerfile
index c5c6dc1..6f9700c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,9 +3,9 @@ FROM node:10-buster-slim
 ENV ETHERPAD_VERSION 1.8.4
 ENV NODE_ENV production
 
-RUN apt-get update && \
+RUN apt-get update --no-install-recommends && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y \
-    ca-certificates curl unzip mariadb-client libreoffice-core libreoffice-common && \
+    ca-certificates curl unzip mariadb-client libreoffice && \
     rm -r /var/lib/apt/lists/* /var/cache/apt/*
 RUN update-ca-certificates