turn off pre-release on 8.4.6 release branch
turn off pre-release on 8.4.6 release branch

htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,neurodebian/htcondor,neurodebian/htcondor,htcondor/htcondor,htcondor/htcondor,neurodebian/htcondor,neurodebian/htcondor,neurodebian/htcondor,neurodebian/htcondor,htcondor/htcondor,neurodebian/htcondor,neurodebian/htcondor,neurodebian/htcondor,htcondor/htcondor