Remove duplicate key

Author: jovial

etc/kayobe/pulp-repo-versions.yml

@@ -17,7 +17,6 @@ stackhpc_pulp_repo_epel_modular_version: 20220913T043117
 stackhpc_pulp_repo_epel_version: 20230210T031947
 stackhpc_pulp_repo_grafana_version: 20230209T034107
 stackhpc_pulp_repo_mariadb_10_5_centos8_version: 20230206T150339
-stackhpc_pulp_repo_mlnx_ofed_5_7_1_0_2_0_rhel8_6_version: 20220920T151419
 stackhpc_pulp_repo_rabbitmq_erlang_version: 20230210T031947
 stackhpc_pulp_repo_rabbitmq_server_version: 20230201T025809
 stackhpc_pulp_repo_treasuredata_4_version: 20221105T035018