remove broken publish job (#416)

.github/workflows/publish.yml

@@ -1,52 +0,0 @@
-name: Publish
-
-on:
-  push:
-    tags: ["*"]
-
-permissions:
-  contents: read
-
-jobs:
-  sbt:
-    name: sbt publish
-    runs-on: ubuntu-20.04
-    if: github.repository == 'apache/incubator-pekko'
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          # we don't know what commit the last tag was it's safer to get entire repo so previousStableVersion resolves
-          fetch-depth: 0
-      - name: Setup Java 11
-        uses: actions/setup-java@v3
-        with:
-          distribution: temurin
-          java-version: 11
-      - name: Publish
-        run: |-
-          sudo apt-get install graphviz
-          # disable mima check until first pekko release is done
-          # sbt +mimaReportBinaryIssues
-          sbt ci-release
-        env:
-          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
-          PGP_SECRET: ${{ secrets.PGP_SECRET }}
-          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
-          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
-
-      # comment out email actions until we have an email address to use (and we need to get INFRA to whitelist dawidd6/action-send-mail)
-      #- name: Email on failure
-      #  if: ${{ failure() }}
-      #  uses: dawidd6/action-send-mail@v3
-      #  with:
-      #    server_address: smtp.gmail.com
-      #    server_port: 465
-      #    username: ${{secrets.MAIL_USERNAME}}
-      #    password: ${{secrets.MAIL_PASSWORD}}
-      #    subject: "Failed: ${{ github.workflow }} / ${{ github.job }}"
-      #    to: akka.official@gmail.com
-      #    from: Akka CI (GHActions)
-      #    body: |
-      #      Job ${{ github.job }} in workflow ${{ github.workflow }} of ${{github.repository}} failed!
-      #      https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}