re-comment linkrot check

Author: tomcrane

.github/workflows/preview.yml

@@ -32,10 +32,10 @@ jobs: # A workflow run is made up of one or more jobs that can run sequentially
       run: bundle exec rake build:preview
     - name: Test html
       run: bundle exec rake test:html
-    - name: Test internal links
-      run: bundle exec rake test:links:internal
-    - name: Test *iiif.io* links
-      run: bundle exec rake test:links:iiif
+#    - name: Test internal links
+#      run: bundle exec rake test:links:internal
+#    - name: Test *iiif.io* links
+#      run: bundle exec rake test:links:iiif
     - name: Spec tests
       run: bundle exec rake api:spec
     - name: Create GitHub deployment # Deploy to Preview site