Remove codspeed token from CI/CD benchmarks step

Author: Cycloctane

.github/workflows/ci-cd.yml

@@ -320,7 +320,6 @@ jobs:
       uses: CodSpeedHQ/action@v4
       with:
         mode: instrumentation
-        token: ${{ secrets.CODSPEED_TOKEN }}
         run: python -Im pytest --no-cov --numprocesses=0 -vvvvv --codspeed