- removed Newtonsoft.Json license from LICENSE.txt
- removed Newtonsoft.Json license from LICENSE.txt

swiese/facebook-csharp-sdk,Ali-Shaltout/facebook-csharp-sdk,swiese/facebook-csharp-sdk,simpleverso/facebook-csharp-sdk,facebook-csharp-sdk/facebook-csharp-sdk,simpleverso/facebook-csharp-sdk,Ali-Shaltout/facebook-csharp-sdk,ladyquartermaine/facebook-csharp-sdk,ladyquartermaine/facebook-csharp-sdk,facebook-csharp-sdk/facebook-csharp-sdk