remove OAuth Playground

Author: shazron

gatsby-config.js

@@ -197,10 +197,6 @@ module.exports = {
           },
           {
             pages: [
-              {
-                path: "guides/authentication/Tools/o-auth-playground.md",
-                title: "OAuth 2.0 Playground"
-              },
               {
                 path: "guides/authentication/Tools/postman.md",
                 title: "Postman"

src/pages/guides/authentication/Tools/index.md

@@ -1,12 +1,6 @@
 
 # Tools Overview
 
-
-## OAuth 2.0 Playground
-Do you have an OAuth integration created? 
-
-[Try the OAuth 2.0 Playground tool](o-auth-playground.md) to generate an access token.
-
 ## Postman
 
 [Try Postman for generating an access token](postman.md) for both OAuth and Service Account Integration.