Apply suggestion from @mkulke

Co-authored-by: Magnus Kulke <mkulke@gmail.com>
Signed-off-by: Amanda Liem <aliem@amd.com>

Author: amd-aliem

attestation-service/docs/amd-offline-certificate-cache.md

@@ -149,7 +149,6 @@ vi kbs/config/as-config.json
 #            "vcek_sources": [
 #              {
 #                "type": "OfflineStore",
-#                "path": "/opt/confidential-containers/"
 #              }
 #            ]
 #        }