Fix rpc schema and account info

Author: devendran-m

condor/jsonrpc-comp/rpc-2.0/schema.json.md

@@ -6,8 +6,8 @@
     "title": "Client API of Casper Node",
     "description": "This describes the JSON-RPC 2.0 API of a node on the Casper network.",
     "contact": {
-      "name": "Casper Labs",
-      "url": "https://casperlabs.io"
+      "name": "Casper Association",
+      "url": "https://docs.casper.network"
     },
     "license": {
       "name": "APACHE LICENSE, VERSION 2.0",

docs/concepts/serialization/structures.md

@@ -2,9 +2,7 @@
 
 ## Account {#serialization-standard-account}
 
-An Account is a structure that represented a user on a legacy Casper network. Alongside the Casper 2.0 protocol release, `Accounts` were replaced with `AddressableEntities` of the type `Account`. 
-
-**Important:** Addressable Entity is turned off in Casper 2.0 and will be enabled in a future release. 
+An Account is a structure that represented a user on Casper network. 
 
 The account structure consists of the following fields:
 

versioned_docs/version-2.0.0/concepts/serialization/structures.md

@@ -2,9 +2,7 @@
 
 ## Account {#serialization-standard-account}
 
-An Account is a structure that represented a user on a legacy Casper network. Alongside the Casper 2.0 protocol release, `Accounts` were replaced with `AddressableEntities` of the type `Account`. 
-
-**Important:** Addressable Entity is turned off in Casper 2.0 and will be enabled in a future release. 
+An Account is a structure that represented a user on Casper network. 
 
 The account structure consists of the following fields: