Adjust code to comments in #6

#6 = !6 (merged)

snapshot_backups/Dockerfile

 FROM gitlab-registry.cern.ch/linuxsupport/alma8-base:latest
 
 RUN dnf install -y epel-release
-RUN yum install -y restic swaks gettext fuse rsync
+RUN yum install -y restic swaks gettext fuse
 COPY *.sh *.tpl /root/
 
 WORKDIR /root