build: remove designated reviewers

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Planeshifter

.github/workflows/cleanup_coverage.yml

@@ -172,7 +172,5 @@ jobs:
           token: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}
           labels: |
             automated-pr
-          team-reviewers: |
-            reviewers
           branch: cleanup-coverage-directories
           delete-branch: true