remove personal info from vcr

spec/vcr_cassettes/discover-ok.yml

@@ -42,8 +42,7 @@ http_interactions:
       - miss
     body:
       encoding: US-ASCII
-      string: ! '{"id":1,"username":"dzaporozhets","email":"dmitriy.zaporozhets@gmail.com","name":"Dmitriy
-        Zaporozhets","bio":"ruby dev.","skype":"dmitriy-zaporozhets","linkedin":"dzaporozhets","twitter":"dzaporozhets","dark_scheme":true,"theme_id":2,"state":"active","created_at":"2011-09-19T09:11:36Z","extern_uid":"23944366","provider":"twitter"}'
+      string: ! '{"name":"Dmitriy Zaporozhets"}'
     http_version: 
   recorded_at: Mon, 11 Mar 2013 12:25:44 GMT
 recorded_with: VCR 2.4.0