fix description issue

Author: v-krghan

articles/iot-central/core/index.yml

@@ -4,7 +4,7 @@ summary: Azure IoT Central is an IoT application platform that simplifies the cr
 
 metadata:
   title: Azure IoT Central documentation
-  description: Azure IoT Central is an IoT application platform that simplifies the creation of IoT solutions. Azure IoT Central simplifies the initial setup of your IoT solution and reduces the management burden, operational costs, and overhead of a typical IoT project. Learn how to create, customize, manage, and use an Azure IoT Central application with our quickstarts and tutorials. # Required; article description that is displayed in search results. < 160 chars.
+  description: Azure IoT Central application simplifies the creation of IoT solutions. Learn how to create, customize, manage, and use an Azure IoT Central application.
   services: iot-central
   ms.service: iot-central
   ms.topic: landing-page