chore: disable v4-nightlies (#24125)

.

Author: alexghr

.github/workflows/nightly-release-tag.yml

@@ -15,8 +15,6 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # Public only tags v5-next here (v4-next is handled in its own job below);
-        # next is tagged on the private repo only.
         branch: ${{ github.repository == 'AztecProtocol/aztec-packages-private' && fromJSON('["next", "v5-next"]') || fromJSON('["v5-next"]') }}
     concurrency:
       group: ${{ github.workflow }}-${{ github.repository }}-${{ matrix.branch }}
@@ -36,25 +34,3 @@ jobs:
           echo "${{ matrix.branch }} nightly tag: $nightly_tag"
           git tag -a "$nightly_tag" -m "$nightly_tag"
           git push origin "$nightly_tag"
-
-  nightly-release-tag-v4-next:
-    if: ${{ github.repository == 'AztecProtocol/aztec-packages' }}
-    runs-on: ubuntu-latest
-    concurrency:
-      group: ${{ github.workflow }}-${{ github.repository }}-v4-next
-    steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
-        with:
-          ref: v4-next
-          token: ${{ secrets.AZTEC_BOT_GITHUB_TOKEN }}
-
-      - name: Create v4-next Nightly Tag
-        run: |
-          git config --global user.email "tech@aztecprotocol.com"
-          git config --global user.name "AztecBot"
-          current_version=$(jq -r '."."' .release-please-manifest.json)
-          echo "Current version: $current_version"
-          nightly_tag="v${current_version}-nightly.$(date -u +%Y%m%d)"
-          echo "v4-next nightly tag: $nightly_tag"
-          git tag -a "$nightly_tag" -m "$nightly_tag"
-          git push origin "$nightly_tag"