Rm athenticate sops steps completly

Author: GeorgianaElena

.github/workflows/ensure-uptime-checks.yaml

@@ -38,12 +38,6 @@ jobs:
     - name: Install sops
       uses: mdgreenwald/mozilla-sops-action@v1.6.0
 
-      # Authenticate with the correct KMS key that sops will use.
-    - name: Setup sops credentials to decrypt repo secrets
-      uses: google-github-actions/auth@v3
-      with:
-        credentials_json: ${{ secrets.GCP_KMS_DECRYPTOR_KEY }}
-
     - name: ensure uptime checks are set up
       run: |
         cd terraform/uptime-checks