debugging line removed.

src/Discord.Net.Rest/DiscordRestApiClient.cs

@@ -235,7 +235,7 @@ namespace Discord.API
             options.BucketId = bucketId;
 
             string json = payload != null ? SerializeJson(payload) : null;
-            Console.WriteLine($"Sending JSON....\n{json}");
+
             var request = new JsonRestRequest(RestClient, method, endpoint, json, options);
             return DeserializeJson<TResponse>(await SendInternalAsync(method, endpoint, request).ConfigureAwait(false));
         }