chore: remove unecessary creds acquisition

Author: scottgerring

Diff for: .github/workflows/pr_build.yml

@@ -79,12 +79,6 @@ jobs:
         if: ${{ matrix.java == '8' }} # Gradle example can only be built on Java 8
         working-directory: examples/powertools-examples-core/kotlin
         run: ./gradlew build
-      - name: Setup AWS credentials
-        if: ${{ matrix.java == '11' }}
-        uses: aws-actions/configure-aws-credentials@5fd3084fc36e372ff1fff382a39b10d03659f355 # v2.2.0
-        with:
-          role-to-assume: ${{ secrets.AWS_ROLE_ARN_TO_ASSUME }}
-          aws-region: ${{ env.AWS_REGION }}
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70 # v3.1.1
         if: ${{ matrix.java == '11' }} # publish results once