Fix play smoke-test image publishing (#6988)

Resolves #6983

Author: trask

.github/workflows/publish-smoke-test-play-images.yml

@@ -20,38 +20,8 @@ jobs:
       skip-java-17: true
       skip-java-19: true
 
-  publish-java-15:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Set up JDK for running Gradle
-        uses: actions/setup-java@v3
-        with:
-          distribution: temurin
-          java-version: 17
-
-      - name: Login to GitHub package registry
-        uses: docker/login-action@v2
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Set tag
-        run: echo "TAG=$(date '+%Y%m%d').$GITHUB_RUN_ID" >> $GITHUB_ENV
-
-      - name: Set up Gradle cache
-        uses: gradle/gradle-build-action@v2
-
-        # Play doesn't support Java 16 (or 17) yet
-        # https://github.com/playframework/playframework/pull/10819
-      - name: Build Java 15 Docker image
-        run: ./gradlew :smoke-tests:images:play:jib -PtargetJDK=15 -Djib.httpTimeout=120000 -Djib.console=plain -Ptag=${{ env.TAG }}
-
   open-issue-on-failure:
     needs:
       - publish
-      - publish-java-15
     if: failure()
     uses: ./.github/workflows/reusable-open-issue-on-failure.yml