Remove sysstat-action

It caused errors on some runs

Author: marcphilipp

.github/workflows/deploy-docs.yml

@@ -22,8 +22,6 @@ jobs:
     name: Generate and deploy
     runs-on: ubuntu-latest
     steps:
-      - name: Collect system statistics
-        uses: easimon/sysstat-action@b7fdbd5dc8f1cf54fecde4f6b8400a4a17de8c07
       - name: Check out repository
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with: