Remove Db2 handling [skip ci]

Author: KodaiD

.github/workflows/permission-check.yaml

@@ -709,111 +709,3 @@ jobs:
         with:
           name: yugabytedb_2_permission_integration_test_reports
           path: core/build/reports/tests/integrationTestJdbcPermission
-
-  integration-test-permission-jdbc-db2-11-5:
-    name: Db2 11.5 Permission Integration Test
-    runs-on: ubuntu-latest
-
-    services:
-      db2:
-        image: icr.io/db2_community/db2:11.5.9.0
-        env:
-          DB2INSTANCE: db2inst1
-          DB2INST1_PASSWORD: db2inst1
-          DBNAME: test_db
-          LICENSE: accept
-        ports:
-          - 50000:50000
-        options: --privileged --name db2
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Set up JDK ${{ env.JAVA_VERSION }} (${{ env.JAVA_VENDOR }})
-        uses: actions/setup-java@v4
-        with:
-          java-version: ${{ env.JAVA_VERSION }}
-          distribution: ${{ env.JAVA_VENDOR }}
-
-      - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v4
-
-      - name: Wait for the container to be ready
-        timeout-minutes: 10
-        run: |
-          while ! docker logs db2 2>&1 | grep -q "Setup has completed"
-          do
-            echo "Container is not yet ready"
-            sleep 5s
-          done
-          echo "Container is ready"
-
-      - name: Create OS user for Db2
-        run: |
-          docker exec db2 bash -c "useradd -m -s /bin/bash test"
-          docker exec db2 bash -c "echo \"test:test\" | sudo chpasswd"
-          docker exec db2 bash -c "usermod -aG db2iadm1 test"
-
-      - name: Execute Gradle 'integrationTestJdbcPermission' task
-        run: ./gradlew integrationTestJdbcPermission -Dscalardb.jdbc.url="jdbc:db2://localhost:50000/test_db" -Dscalardb.jdbc.username=db2inst1 -Dscalardb.jdbc.password=db2inst1
-
-      - name: Upload Gradle test reports
-        if: always()
-        uses: actions/upload-artifact@v4
-        with:
-          name: db2_11.5_permission_integration_test_reports
-          path: core/build/reports/tests/integrationTestJdbcPermission
-
-  integration-test-permission-jdbc-db2-12-1:
-    name: Db2 12.1 Permission Integration Test
-    runs-on: ubuntu-latest
-
-    services:
-      db2:
-        image: icr.io/db2_community/db2:12.1.1.0
-        env:
-          DB2INSTANCE: db2inst1
-          DB2INST1_PASSWORD: db2inst1
-          DBNAME: test_db
-          LICENSE: accept
-        ports:
-          - 50000:50000
-        options: --privileged --name db2
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Set up JDK ${{ env.JAVA_VERSION }} (${{ env.JAVA_VENDOR }})
-        uses: actions/setup-java@v4
-        with:
-          java-version: ${{ env.JAVA_VERSION }}
-          distribution: ${{ env.JAVA_VENDOR }}
-
-      - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v4
-
-      - name: Wait for the container to be ready
-        timeout-minutes: 10
-        run: |
-          while ! docker logs db2 2>&1 | grep -q "Setup has completed"
-          do
-            echo "Container is not yet ready"
-            sleep 5s
-          done
-          echo "Container is ready"
-
-      - name: Create OS user for Db2
-        run: |
-          docker exec db2 bash -c "useradd -m -s /bin/bash test"
-          docker exec db2 bash -c "echo \"test:test\" | sudo chpasswd"
-          docker exec db2 bash -c "usermod -aG db2iadm1 test"
-
-      - name: Execute Gradle 'integrationTestJdbcPermission' task
-        run: ./gradlew integrationTestJdbcPermission -Dscalardb.jdbc.url="jdbc:db2://localhost:50000/test_db" -Dscalardb.jdbc.username=db2inst1 -Dscalardb.jdbc.password=db2inst1
-
-      - name: Upload Gradle test reports
-        if: always()
-        uses: actions/upload-artifact@v4
-        with:
-          name: db2_12.1_permission_integration_test_reports
-          path: core/build/reports/tests/integrationTestJdbcPermission