OP#188 remove Jenksinfile from public mirror

Jenkinsfile

@@ -110,6 +110,7 @@ pipeline {
                         git pull origin master
                         git branch -D development
                         git branch -D jenkins-build-$BUILD_NUMBER
+                        git filter-repo --path Jenkinsfile --invert-paths
                         git remote add master https://gitea.confdroid.com/confdroid/prometheus_cd.git
                         git -c credential.helper="!f() { echo username=${GITEA_USER}; echo password=${GITEA_TOKEN}; }; f" \
                         push master --mirror