Add EventGrid .NET mgmt migration compat customizations (#43909)

Author: weidongxu-microsoft

…Microsoft.EventGrid/EventGrid/Client.tsp …t.EventGrid/EventGrid/ClientResource.tspspecification/eventgrid/resource-manager/Microsoft.EventGrid/EventGrid/Client.tsp renamed to specification/eventgrid/resource-manager/Microsoft.EventGrid/EventGrid/ClientResource.tsp specification/eventgrid/resource-manager/Microsoft.EventGrid/EventGrid/Client.tsp renamed to specification/eventgrid/resource-manager/Microsoft.EventGrid/EventGrid/ClientResource.tsp

@@ -81,36 +81,3 @@ interface Clients {
 @@doc(Client.name, "Name of the client.");
 @@doc(Client.properties, "The properties of client.");
 @@doc(Clients.createOrUpdate::parameters.resource, "Client information.");
-
-@@clientName(TlsVersion.`1.0`, "One0", "go,javascript");
-@@clientName(TlsVersion.`1.1`, "One1", "go,javascript");
-@@clientName(TlsVersion.`1.2`, "One2", "go,javascript");
-
-@@clientName(
-  WebHookEventSubscriptionDestinationProperties,
-  "WebhookEventSubscriptionDestinationProperties",
-  "java"
-);
-@@clientName(
-  WebHookEventSubscriptionDestination,
-  "WebhookEventSubscriptionDestination",
-  "java"
-);
-@@clientName(
-  Microsoft.EventGrid,
-  "EventGridManagementClient",
-  "python, javascript"
-);
-@@clientName(TlsVersion.`1.0`, "ONE0", "python");
-@@clientName(TlsVersion.`1.1`, "ONE1", "python");
-@@clientName(TlsVersion.`1.2`, "ONE2", "python");
-@@clientName(
-  Azure.ResourceManager.ResourceProvisioningState,
-  "ArmResourceProvisioningState",
-  "python"
-);
-@@clientName(
-  Azure.ResourceManager.ResourceProvisioningState,
-  "ArmResourceProvisioningState",
-  "java"
-);