jenkins: remove old root user permission fixes (#30684)

* Batman

* add debug stuff

* Revert that for now

* remove debug stuff

Jenkinsfile

@@ -92,10 +92,6 @@ def pcStage(String stageName, Closure body) {
     docker.build("openpilot-base:build-${env.GIT_COMMIT}", "-f Dockerfile.openpilot_base .").inside(dockerArgs) {
       timeout(time: 20, unit: 'MINUTES') {
         try {
-          // TODO: remove these after all jenkins jobs are running as batman (merged with master)
-          sh "sudo chown -R batman:batman /tmp/scons_cache"
-          sh "sudo chown -R batman:batman /tmp/comma_download_cache"
-
           sh "git config --global --add safe.directory '*'"
           sh "git submodule update --init --recursive"
           sh "git lfs pull"