chore: remove obsolete release job configs (#2377)

* chore: remove obsolete release job configs

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

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Author: alicejli

.github/workflows/samples.yaml

@@ -1,15 +1,29 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# Github action job to test core java library features on
+# downstream client libraries before they are released.
 on:
   pull_request:
-    paths-ignore:
-      - 'tutorials/**'
 name: samples
 jobs:
   checkstyle:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
-      - uses: actions/setup-java@v1
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
         with:
+          distribution: temurin
           java-version: 8
       - name: Run checkstyle
         run: mvn -P lint --quiet --batch-mode checkstyle:check