Removing LUIS disconnected containers

Removing LUIS disconnected containers, these have been deprecated

Author: JonVenezia

articles/cognitive-services/containers/disconnected-containers.md

@@ -19,7 +19,6 @@ Containers enable you to run Cognitive Services APIs in your own environment, an
 * [Custom Speech-to-Text](../speech-service/speech-container-howto.md?tabs=cstt)
 * [Neural Text-to-Speech](../speech-service/speech-container-howto.md?tabs=ntts)
 * [Text Translation (Standard)](../translator/containers/translator-disconnected-containers.md)
-* [Language Understanding (LUIS)](../LUIS/luis-container-howto.md)
 * Azure Cognitive Service for Language
   * [Sentiment Analysis](../language-service/sentiment-opinion-mining/how-to/use-containers.md)
   * [Key Phrase Extraction](../language-service/key-phrase-extraction/how-to/use-containers.md)