Revert "Update .github/workflows/R-CMD-check.yaml to include GIST_TOKEN to fix CI/CD errors."

This reverts commit f0bf8ef.

Author: Aariq

.github/workflows/R-CMD-check.yaml

@@ -44,14 +44,6 @@ jobs:
           extra-packages: any::rcmdcheck
           needs: check
 
-      # Added step for testing gist creation using GIST_TOKEN
-      - name: Run gist creation test
-        env:
-          GIST_TOKEN: ${{ secrets.GIST_TOKEN }}
-        run: |
-          echo "Running gist creation test..."
-          Rscript -e "gistr::gist_create(file = 'tests/test-gist.md', description = 'Test gist creation')"
-
       - uses: r-lib/actions/check-r-package@v2
         with:
           upload-snapshots: true