removing Microsoft mention from the page

Author: Qian Wen

articles/marketplace/index.yml

@@ -1,10 +1,10 @@
 ### YamlMime:Landing
 
-title: Welcome to Microsoft's commercial marketplace
-summary: Learn about Microsoft’s commercial marketplace, an online marketplace for applications and services that lets businesses of all sizes offer solutions to customers around the world.
+title: Welcome to the commercial marketplace
+summary: Learn about the commercial marketplace, an online marketplace for applications and services that lets businesses of all sizes offer solutions to customers around the world.
 metadata:
-  title: Welcome to Microsoft's commercial marketplace
-  description: Learn about Microsoft’s commercial marketplace, an online marketplace for applications and services that lets businesses of all sizes offer solutions to customers around the world.
+  title: Welcome to the commercial marketplace
+  description: Learn about the commercial marketplace, an online marketplace for applications and services that lets businesses of all sizes offer solutions to customers around the world.
   ms.service: marketplace 
   ms.subservice: partnercenter-marketplace-publisher
   ms.topic: landing-page