fix shield clearcached* related api's

since they no longer return status on the nodes, or report back per node
if the realm is not found

Author: Mpdreamz

src/Nest/XPack/Shield/ShieldNode.cs

@@ -6,7 +6,5 @@ public class ShieldNode
 	{
 		[JsonProperty("name")]
 		public string Name { get; set; }
-		[JsonProperty("status")]
-		public ShieldNodeStatus Status { get; set; }
 	}
-}
+}

src/Tests/XPack/Security/ClearCachedRealms/ClearCachedRealmsApiTests.cs

@@ -33,7 +33,7 @@ protected override LazyResponses ClientUsage() => Calls(
 		protected override bool SupportsDeserialization => false;
 
 		//callisolated value can sometimes start with a digit which is not allowed for rolenames
-		private string Realm => $"realm-{CallIsolatedValue}";
+		private string Realm => $"default_file";
 
 		protected override ClearCachedRealmsRequest Initializer => new ClearCachedRealmsRequest(this.Realm);
 
@@ -48,12 +48,6 @@ protected override void ExpectResponse(IClearCachedRealmsResponse response)
 			var node = response.Nodes.First().Value;
 			node.Should().NotBeNull();
 			node.Name.Should().StartWith("shield-node-");
-			node.Status.Should().NotBeNull();
-			node.Status.Success.Should().BeFalse();
-			node.Status.Type.Should().Be("failed_node_exception");
-			node.Status.Reason.Should().Contain("Failed node");
-			node.Status.CausedBy.Should().NotBeNull();
-			node.Status.CausedBy.Reason.Should().Contain("could not find active realm");
 		}
 	}
 

src/Tests/XPack/Security/Role/ClearCachedRoles/ClearCachedRolesApiTests.cs

@@ -53,8 +53,6 @@ protected override void ExpectResponse(IClearCachedRolesResponse response)
 			var node = response.Nodes.First().Value;
 			node.Should().NotBeNull();
 			node.Name.Should().StartWith("shield-node-");
-			node.Status.Should().NotBeNull();
-			node.Status.Success.Should().BeTrue();
 		}
 	}