Remove RTD .com preview from pr-preview-links.yaml (#262)

Author: benjaoming

.github/workflows/pr-preview-links.yaml

@@ -14,11 +14,3 @@ jobs:
       - uses: readthedocs/actions/preview@v1
         with:
           project-slug: "sphinx-hoverxref"
-
-  pr-preview-links-business:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: readthedocs/actions/preview@v1
-        with:
-          project-slug: "read-the-docs-sphinx-hoverxref"
-          platform: "business"