ci(docs): Fix duplicate if

Author: tony

.github/workflows/publish-docs.yml

@@ -98,7 +98,6 @@ jobs:
         run: poetry install --extras "docs lint"
 
       - name: Build documentation
-        if: env.PUBLISH == 'true'
         if: env.PUBLISH == 'true'
         run: |
           pushd docs; make SPHINXBUILD='poetry run sphinx-build' html; popd