chore(deps): drop zanata

Originally has been installed as a dependency of:
• python3-simpleline
• anaconda

Both of these projects have dropped it already and it's no longer
packaged in the Fedora.

Signed-off-by: Matej Focko <mfocko@redhat.com>

Author: mfocko

files/install-rpm-packages.yaml

@@ -28,7 +28,6 @@
           - systemd-devel # https://github.com/Scribery/tlog/pull/274
           - libcurl-devel # /
           - python3-setuptools_scm # ansible-lint
-          - python3-zanata-client # for those who use zanata for localization
           - rubygems # https://github.com/packit/packit-service/issues/771
           # needed for rust-based projects
           - rust