Cleanup directories before pushing to gh-pages (#3408)

* Cleanup directories before pushing to gh-pages

---------

Co-authored-by: Nikita Shulga <2453524+malfet@users.noreply.github.com>

Author: svekars

.jenkins/build.sh

@@ -151,6 +151,12 @@ elif [[ "${JOB_TYPE}" == "manager" ]]; then
   # Step 7: push new HTML files and static files to gh-pages
   if [[ "$COMMIT_SOURCE" == "refs/heads/master" || "$COMMIT_SOURCE" == "refs/heads/main" ]]; then
     git clone https://github.com/pytorch/tutorials.git -b gh-pages gh-pages
+    # Clean up directories that contain tutorials
+    
+    for dir in beginner intermediate prototype recipes advanced distributed vision text audio; do
+      rm -rf "gh-pages/$dir"
+    done
+    
     cp -r docs/* gh-pages/
     pushd gh-pages
     # DANGER! DO NOT REMOVE THE `set +x` SETTING HERE!