[DO-1196] change workspace volume type (!54)

Co-authored-by: Yaroslav Bondarenko <yaroslav.bondarenko@avroid.tech>
Reviewed-on: https://git.avroid.tech/DevOps/jenkins-pipelines/pulls/54
Reviewed-by: Denis Patrakeev <denis.patrakeev@avroid.team>

pipelines/Docs/Eisen/doxygen.groovy

@@ -29,7 +29,7 @@ String gitRepoName = "${owner}/${projectName}"
 String nexusRepoName = 'eisen-os_doc-feature'
 Git    git         = new Git(this, env.JENKINS_GIT_CREDENTIALS_SSH)
 
-podTemplate(workspaceVolume: hostPathWorkspaceVolume(hostPath: '/data'),
+podTemplate(workspaceVolume: emptyDirWorkspaceVolume(memory: false),
     yaml: """
               apiVersion: v1
               kind: Pod
@@ -210,8 +210,6 @@ podTemplate(workspaceVolume: hostPathWorkspaceVolume(hostPath: '/data'),
             echo 'ERROR: ' + err.getMessage()
             errorMessage = err.getMessage()
             currentBuild.result = 'FAILURE'
-        } finally {
-            cleanWs()
         }
     }
 }