removing empty labels
removing empty labels

kubernetes/perf-tests,shyamjvs/perf-tests,sjug/perf-tests,sjug/perf-tests,kubernetes/perf-tests,shyamjvs/perf-tests,kubernetes/perf-tests,sjug/perf-tests,sjug/perf-tests,shyamjvs/perf-tests,shyamjvs/perf-tests,kubernetes/perf-tests,shyamjvs/perf-tests,kubernetes/perf-tests,sjug/perf-tests