Dummy out k8s_init.sh

It's used in the initContainer but calls scripts that do not exist in this branch.
(The el9 deployment was touching .ignore-errors to get this script to pass.)
Until we delete the initContainers from the deployed repo instances,
turn k8s_init.sh into a dummy script.

bin/k8s_init.sh

@@ -1,53 +1,5 @@
 #!/bin/bash
 
-REPO_BASEDIR="${REPO_BASEDIR:-/data}"
-REPO_MAXAGE="${REPO_MAXAGE:-480}" # default of 8 hours (8*60 min)
-REPO_TIMESTAMP="$REPO_BASEDIR/repo/osg/timestamp.txt"
-
-# Show errors, but allow a sleep for container debugging
-err_exit() {
-    echo "Error on line $(caller)" >&2
-    sleep 5m
-    if [ -f /.ignore-errors ] ; then
-        exit 0
-    else
-        exit 1
-    fi
-}
-trap 'err_exit' ERR
-
-# Was timestamp file modified less than $REPO_MAXAGE minutes ago?
-if test "$(find $REPO_TIMESTAMP -mmin -$REPO_MAXAGE)" ; then
-    echo "Repo is current. Skipping sync."
-    exit 0
-fi
-
-# Generate output directories
-mkdir -p "$REPO_BASEDIR/mash" \
-         "$REPO_BASEDIR/mirror" \
-         "$REPO_BASEDIR/repo" \
-         "$REPO_BASEDIR/repo.previous" \
-         "$REPO_BASEDIR/repo.working"
-
-# Generate mash config files
-update_mashfiles.sh
-
-# Reorder mash tags for less lock contention
-rev /etc/osg-koji-tags/osg-tags | sort | rev > /tmp/osg-tags
-
-# Download repo data in parallel
-parallel --max-procs 12 --results /tmp/init --arg-file /tmp/osg-tags --retries 10 update_repo.sh {}
-
-# Add symlink for mirrorlist
-ln --no-target-directory --force --symbolic "$REPO_BASEDIR/mirror" "$REPO_BASEDIR/repo/mirror"
-
-# Generate mirrorlist
-update_mirror.py
-
-# Note: we can't run repo-update-cadist here, since it downloads *from* repo
-
-# Update tarballs
-update_tarball-install.sh
-
-# Create timestamp marker file
-echo $(date) > $REPO_TIMESTAMP
+# TODO: Delete this script once the initContainers have been removed from
+#       all repo instances.
+exit 0