Remove now misleading comment and update windows-wheel build image revision tag

Author: raulcd

.env

@@ -98,5 +98,5 @@ VCPKG="9b965a116838c6cdcd36bca60d1b81b030c8ab8d"    # 2026.05.27 (not release, u
 # ci/docker/python-*-windows-*.dockerfile or the vcpkg config.
 # This is a workaround for our CI problem that "archery docker build" doesn't
 # use pulled built images in dev/tasks/python-wheels/github.windows.yml.
-PYTHON_WHEEL_WINDOWS_IMAGE_REVISION=2026-05-27
-PYTHON_WHEEL_WINDOWS_TEST_IMAGE_REVISION=2026-05-27
+PYTHON_WHEEL_WINDOWS_IMAGE_REVISION=2026-06-03
+PYTHON_WHEEL_WINDOWS_TEST_IMAGE_REVISION=2026-06-03

ci/scripts/python_wheel_unix_test.sh

@@ -102,7 +102,6 @@ fi
 
 if [ "${CHECK_UNITTESTS}" == "ON" ]; then
   # Install testing dependencies
-  echo "Regular Python build detected"
   python -m pip install -U -r "${source_dir}/python/requirements-wheel-test.txt"
 
   # Execute unittest, test dependencies must be installed