Remove unnecessary rm from requirements build.

Author: tillahoffmann

.github/workflows/requirements.yml

@@ -32,9 +32,7 @@ jobs:
       - name: Update pip and install pip-tools
         run: pip install --upgrade pip pip-tools
       - name: Build requirements
-        run: |
-          rm -f requirements.txt
-          pip-compile --resolver=backtracking -v --upgrade -o requirements.txt
+        run: pip-compile --resolver=backtracking -v --upgrade -o requirements.txt
       - name: Store requirements as artifact
         uses: actions/upload-artifact@v3
         with: