ci: delete elixir_release workflow as it is covered by slim_packages

.github/workflows/_pr_entrypoint.yaml

@@ -157,15 +157,6 @@ jobs:
       runner: ${{ needs.sanity-checks.outputs.runner }}
       builder: ${{ needs.sanity-checks.outputs.builder }}
 
-  elixir_release:
-    needs:
-      - sanity-checks
-      - compile
-    uses: ./.github/workflows/elixir_release.yaml
-    with:
-      runner: ${{ needs.sanity-checks.outputs.runner }}
-      builder: ${{ needs.sanity-checks.outputs.builder }}
-
   run_jmeter_tests:
     needs:
       - sanity-checks

.github/workflows/elixir_release.yaml

@@ -1,47 +0,0 @@
-# FIXME: temporary workflow for testing; remove later
-name: Elixir Build (temporary)
-
-concurrency:
-  group: elixir-release-${{ github.event_name }}-${{ github.ref }}
-  cancel-in-progress: true
-
-on:
-  workflow_call:
-    inputs:
-      runner:
-        required: true
-        type: string
-      builder:
-        required: true
-        type: string
-
-jobs:
-  elixir_release_build:
-    runs-on: ${{ inputs.runner }}
-    container: ${{ inputs.builder }}
-    strategy:
-      matrix:
-        profile:
-          - emqx
-
-    steps:
-      - uses: actions/download-artifact@v3
-        with:
-          name: ${{ matrix.profile }}
-      - name: extract artifact
-        run: |
-          unzip -o -q ${{ matrix.profile }}.zip
-          git config --global --add safe.directory "$GITHUB_WORKSPACE"
-      - name: elixir release
-        run: make ${{ matrix.profile }}-elixir
-      - name: start release
-        run: |
-          _build/${{ matrix.profile }}/rel/emqx/bin/emqx start
-      - name: check if started
-        run: |
-          set -e
-          sleep 10
-          timeout 1 bash -c '</dev/tcp/localhost/1883'
-          _build/${{ matrix.profile }}/rel/emqx/bin/emqx ping
-          _build/${{ matrix.profile }}/rel/emqx/bin/emqx ctl status
-          ./scripts/test/emqx-smoke-test.sh localhost 18083