Updated syntax for web3js code block (#1380)

* Updated revert reason doc w/revert reason & updated syntax for web3js-quorum doc

Signed-off-by: Mike Sanko <mike.sanko@consensys.net>

* Removed doc edit for web3.js code block

Signed-off-by: Mike Sanko <mike.sanko@consensys.net>

---------

Signed-off-by: Mike Sanko <mike.sanko@consensys.net>
Co-authored-by: Alexandra Tran Carrillo <12214231+alexandratran@users.noreply.github.com>

docs/private-networks/how-to/use-privacy/web3js-quorum.md

@@ -46,15 +46,15 @@ Initialize your client where:
 # Syntax
 
 ```js
-const Web3 = require("web3");
+const { Web3 } = require("web3");
 const Web3Quorum = require("web3js-quorum");
 const web3 = new Web3Quorum(new Web3("<JSON-RPC HTTP endpoint>"));
 ```
 
 # Example
 
 ```js
-const Web3 = require("web3");
+const { Web3 } = require("web3");
 const Web3Quorum = require("web3js-quorum");
 const web3 = new Web3Quorum(new Web3("http://localhost:8545"));
 ```