Delete remove defaults channel step from test_windows job

Author: oleksandr-pavlyk

.github/workflows/conda-package.yml

@@ -267,9 +267,6 @@ jobs:
  activate-environment: ${{ env.TEST_ENV_NAME }}
  python-version: ${{ matrix.python }}
 
- - name: Remove defaults channel
- run: conda config --remove channels defaults
-
  - name: Install conda-index
  run: |
  conda install -n base conda-index