Fix RemoteClusterPrivilege availability (#3145)

Author: flobernd

specification/security/_types/Privileges.ts

@@ -200,7 +200,6 @@ export enum ClusterPrivilege {
 
 /**
  * The subset of cluster level privileges that can be defined for remote clusters.
- * @availability stack
  */
 export enum RemoteClusterPrivilege {
   /**

specification/security/put_role/SecurityPutRoleRequest.ts

@@ -82,7 +82,6 @@ export interface Request extends RequestBase {
     /**
      * A list of remote cluster permissions entries.
      * @availability stack since=8.15.0
-     *
      */
     remote_cluster?: RemoteClusterPrivileges[]
     /**