ci: Remove CircleCI URL check

This will fail until the doc build is complete, which causes unwanted
notifications about the job 'failing'.

Author: QuLogic

.github/workflows/circleci.yml

@@ -15,7 +15,3 @@ jobs:
           artifact-path: 0/doc/build/html/index.html
           circleci-jobs: docs-python38
           job-title: View the built docs
-      - name: Check the URL
-        if: github.event.status != 'pending'
-        run: |
-          curl --fail ${{ steps.step1.outputs.url }} | grep $GITHUB_SHA