SRE-3833 ci: remove obsolete code

discoverGitReferenceBuild is useless in the Jenkinsfile context
and has no effect on build results.
It is called from inside unitTestPost.

Signed-off-by: Tomasz Gromadzki <tomasz.gromadzki@hpe.com>
Priority: 2
Cancel-prev-build: false
Skip-unit-test: true
Skip-unit-test-memcheck: true
Skip-func-vm-all: true
Skip-test-el-9-rpms: true
Skip-test-leap-15-rpms: true
Skip-func-hw-test: true
Skip-func-test-el9: true
Skip-func-test-leap15: true
Skip-test-el-8-rpms: true
Skip-func-hw-test: true
Skip-func-test-el8: true

Author: grom72

Jenkinsfile

@@ -978,9 +978,6 @@ pipeline {
                                          testResults: 'nlt-junit.xml',
                                          with_valgrind: '',
                                          FI: true
-                            discoverGitReferenceBuild referenceJob: 'daos-stack/daos/master',
-                                                      scm: 'daos-stack/daos',
-                                                      requiredResult: hudson.model.Result.UNSTABLE
                             archiveArtifacts artifacts: 'nlt_logs/fault-injection/',
                                              allowEmptyArchive: true
                             job_status_update()