Remove python setup from benchmark workflow

Author: OptimumCode

.github/workflows/platform-benchmark.yml

@@ -25,9 +25,6 @@ jobs:
         with:
           distribution: temurin
           java-version-file: .ci-java-version
-      - uses: actions/setup-python@v5
-        with:
-          python-version-file: .ci-python-version
       - name: Validate Gradle Wrapper
         uses: gradle/wrapper-validation-action@v1.1.0
       - name: Cache konan