Update index-chatapp.mdx

Author: ajeetraina

docs/howtos/chatapp/index-chatapp.mdx

@@ -10,7 +10,6 @@ import TabItem from '@theme/TabItem';
 import useBaseUrl from '@docusaurus/useBaseUrl';
 import RedisCard from '@site/src/theme/RedisCard';
 
-Author: [Ajeet Singh Raina](https://twitter.com/ajeetsraina)
 
 
 Real-time chat is an online communication channel that allows you to conduct real-time conversations. More and more developers are tapping into the power of Redis as it is extremely fast & due to its support for variety of rich data structure such as Lists, Sets, Sorted Sets, Hashes etc.