Update appsettings.json

Author: acoumb

examples/Umbraco.AuthorizedServices.TestSite/appsettings.json

@@ -55,8 +55,8 @@
           "RequestIdentityPath": "/login/oauth/authorize",
           "RequestTokenPath": "/login/oauth/access_token",
           "RequestTokenFormat": "Querystring",
-          "ClientId": "Ov23lim4dJXIYmkC7nPx",
-          "ClientSecret": "91e8ef480a5e3e9c73ecef581d52c27fa17870f1",
+          "ClientId": "",
+          "ClientSecret": "",
           "Scopes": "repo",
           "SampleRequest": "/repos/Umbraco/Umbraco-CMS/contributors",
           "CanManuallyProvideToken": true,