Update balavenkatesh.json structure

Removed description and repo fields from JSON.

domains/balavenkatesh.json

@@ -1,11 +1,9 @@
 {
-  "description": "Bala Venkatesh - AI/GenAI Portfolio",
-  "repo": "https://github.com/balavenkatesh3322/bala_venkatesh_profile",
   "owner": {
     "username": "balavenkatesh3322",
     "email": "sbvenkatesh333@gmail.com"
   },
-  "record": {
+  "records": {
     "CNAME": "balavenkatesh3322.github.io"
   }
 }