Merge pull request #4418 from thegreyd/reset_workspace

[set_client_latest] Delete workspace before checkout

Author: openshift-merge-bot[bot]

jobs/build/set_client_latest/Jenkinsfile

@@ -1,6 +1,7 @@
 #!/usr/bin/env groovy
 
 node {
+    deleteDir()
     checkout scm
     def buildlib = load("pipeline-scripts/buildlib.groovy")
     def commonlib = buildlib.commonlib