Really remove poetry

.github/workflows/mkdocs-gh-pages.yml

@@ -36,7 +36,7 @@ jobs:
       - name: Install Dependencies
         run: pip install -r requirements.txt
       - name: Build with MkDocs
-        run: poetry run mkdocs build -d ./_site
+        run: mkdocs build -d ./_site
       - name: Upload Artifact
         uses: actions/upload-pages-artifact@v3