delete reference/ (#3109)

delete folder

relocate `packages.yml` and update corresponding scripts

.github/workflows/ci.yml

@@ -102,7 +102,7 @@ jobs:
             echo "This file is auto-generated by pipeline/tools/partner_pkg_table.py"
             echo "Please do not manually edit this file. If you need to make changes:"
             echo "1. Update the generation script at pipeline/tools/partner_pkg_table.py"
-            echo "2. Or update the package metadata in reference/packages.yml"
+            echo "2. Or update the package metadata in packages.yml"
             echo "3. Then run: uv run python pipeline/tools/partner_pkg_table.py"
             exit 1
           else

.github/workflows/update-package-downloads.yml

@@ -43,7 +43,7 @@ jobs:
         with:
           name: packages-yml
           path: |
-            reference/packages.yml
+            packages.yml
             src/oss/python/integrations/providers/overview.mdx
           retention-days: 1
 
@@ -71,7 +71,7 @@ jobs:
           git config --global user.email "github-actions[bot]@users.noreply.github.com"
 
           # Check if there are changes
-          if git diff --quiet reference/packages.yml src/oss/python/integrations/providers/overview.mdx; then
+          if git diff --quiet packages.yml src/oss/python/integrations/providers/overview.mdx; then
             echo "No changes to commit"
             exit 0
           fi
@@ -81,7 +81,7 @@ jobs:
           git checkout -b "$BRANCH_NAME"
 
           # Commit changes
-          git add reference/packages.yml src/oss/python/integrations/providers/overview.mdx
+          git add packages.yml src/oss/python/integrations/providers/overview.mdx
           git commit -m "$(cat <<'EOF'
           chore: update package download counts
 
@@ -103,7 +103,7 @@ jobs:
           Automated update of package download statistics from pepy.tech
 
           ## Details
-          - Updates download counts in `reference/packages.yml`
+          - Updates download counts in `packages.yml`
           - Regenerates provider overview page at `src/oss/python/integrations/providers/overview.mdx`
           - Generated by GitHub Actions workflow `update-package-downloads.yml`
           - Scheduled to run every Sunday at 11:59 PM UTC