Update cognitive-services-speech-service-endpoints-text-to-speech.md

Move China region from CNV to legacy custom voice.

Author: sally-baolian

articles/cognitive-services/Speech-Service/includes/cognitive-services-speech-service-endpoints-text-to-speech.md

@@ -55,7 +55,6 @@ If you've created a custom neural voice font, use the endpoint that you've creat
 | Brazil South | `https://brazilsouth.voice.speech.microsoft.com/cognitiveservices/v1?deploymentId={deploymentId}` |
 | Canada Central | `https://canadacentral.voice.speech.microsoft.com/cognitiveservices/v1?deploymentId={deploymentId}` |
 | Central US | `https://centralus.voice.speech.microsoft.com/cognitiveservices/v1?deploymentId={deploymentId}` |
-| China East 2 | `https://chinaeast2.voice.speech.azure.cn/cognitiveservices/v1?deploymentId={deploymentId}` |
 | East Asia | `https://eastasia.voice.speech.microsoft.com/cognitiveservices/v1?deploymentId={deploymentId}` |
 | East US | `https://eastus.voice.speech.microsoft.com/cognitiveservices/v1?deploymentId={deploymentId}` |
 | East US 2 | `https://eastus2.voice.speech.microsoft.com/cognitiveservices/v1?deploymentId={deploymentId}` |