Remove replicationLinks_legacy.json (Azure#14095)

PR Azure#14058 removed this file: replicationLinks_legacy.json, removing from the schema config to prevent schema generation failures.

Author: jorgecotillo

specification/sql/resource-manager/readme.azureresourceschema.md

@@ -685,7 +685,6 @@ input-file:
   - Microsoft.Sql/stable/2014-04-01/dataMasking.json
   - Microsoft.Sql/stable/2014-04-01/geoBackupPolicies.json
   - Microsoft.Sql/stable/2014-04-01/metrics.json
-  - Microsoft.Sql/stable/2014-04-01/replicationLinks_legacy.json
   - Microsoft.Sql/stable/2014-04-01/serverCommunicationLinks.json
   - Microsoft.Sql/stable/2014-04-01/serviceObjectives.json
   - Microsoft.Sql/stable/2014-04-01/sql.core_legacy.json