fix: remove AFTERBURNER_VERSION

containers/jug/dev.Dockerfile

@@ -234,9 +234,7 @@ RUN --mount=from=staging,target=/staging                                \
  && cp -r /staging/.singularity.d /.singularity.d                        
 
 ## set the jug_dev version and add the afterburner
-## TODO: move afterburner to spack when possible
 ARG JUG_VERSION=1
-ARG AFTERBURNER_VERSION=main
 RUN echo "" >> /etc/jug_info                                            \
  && echo " - jug_dev: ${JUG_VERSION}" >> /etc/jug_info