Update get-latest-agent-version.yaml

Author: kirkone

.github/workflows/get-latest-agent-version.yaml

@@ -7,8 +7,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-        with:
-          token: ${{ secrets.REPO_SCOPED_TOKEN }}
       - name: Fetch release version
         run: |
           curl -sL https://api.github.com/repos/microsoft/azure-pipelines-agent/releases/latest | \