Update Dockerfile - removed versions.txt

Dockerfile

@@ -28,7 +28,7 @@ FROM gitlab-registry.cern.ch/atlas/statanalysis:base_image
 # Set up the environment setup script.
 COPY docker/release_setup.sh /
 # Set up the message of the day, and optionally copy latest versions too if it exists.
-COPY docker/motd versions/*.txt /etc/
+COPY docker/motd /etc/
 # copy aka install the release into the image ... hopefully each release can use the previous layers as-is
 COPY --from=builder /usr/StatAnalysis /usr/StatAnalysis