Final version on POC

Signed-off-by: Kai Huang <ahkcs@amazon.com>

Author: ahkcs

.github/workflows/maven-publish.yml

@@ -46,48 +46,6 @@ jobs:
           echo "SONATYPE_USERNAME=$SONATYPE_USERNAME" >> $GITHUB_ENV
           echo "SONATYPE_PASSWORD=$SONATYPE_PASSWORD" >> $GITHUB_ENV
 
-      # Clean up old directories
-      - name: Delete existing directories
-        run: |
-          # Helper function to delete a directory and its contents
-          delete_directory() {
-            local dir_url=$1
-            echo "Attempting to delete directory: $dir_url"
-          
-            # Check if directory exists with a HEAD request
-            status_code=$(curl -s -o /dev/null -w "%{http_code}" -u "${SONATYPE_USERNAME}:${SONATYPE_PASSWORD}" -X HEAD "${dir_url}")
-          
-            if [[ "$status_code" == "200" || "$status_code" == "301" || "$status_code" == "302" || "$status_code" == "307" ]]; then
-              echo "Directory exists, deleting: $dir_url"
-          
-              # Use DELETE request to remove the directory
-              curl -s -u "${SONATYPE_USERNAME}:${SONATYPE_PASSWORD}" -X DELETE "${dir_url}"
-              echo "Deletion request sent for: $dir_url"
-            else
-              echo "Directory doesn't exist or not accessible (status code: $status_code): $dir_url"
-            fi
-          }
-          
-          # List of directories to delete
-          directories=(
-            "${SNAPSHOT_REPO_URL}org/opensearch/language-grammar/"
-            "${SNAPSHOT_REPO_URL}org/opensearch/direct-query-poc2/"
-            "${SNAPSHOT_REPO_URL}org/opensearch/direct-query/"
-            "${SNAPSHOT_REPO_URL}org/opensearch/language-grammar-poc2/"
-            "${SNAPSHOT_REPO_URL}org/opensearch/opensearch-language-grammar-poc/"
-            "${SNAPSHOT_REPO_URL}org/opensearch/opensearch-language-grammar-poc2/"
-            "${SNAPSHOT_REPO_URL}org/opensearch/opensearch-spark-ppl_2.12/0.8.0-commit-metadata-poc-SNAPSHOT-SNAPSHOT/"
-            "${SNAPSHOT_REPO_URL}org/opensearch/opensearch-spark-sql-application_2.12//0.8.0-commit-metadata-poc-SNAPSHOT-SNAPSHOT/"
-            "${SNAPSHOT_REPO_URL}org/opensearch/opensearch-spark-standalone_2.12/0.8.0-commit-metadata-poc-SNAPSHOT-SNAPSHOT/"
-          )
-          
-          # Delete each directory
-          for dir in "${directories[@]}"; do
-            delete_directory "$dir"
-          done
-          
-          echo "Directory cleanup completed"
-
       # Create the initial directory structure in repository
       - name: Create grammar-poc directory structure in repository
         run: |