Use YamlDotNet to load patrons JSON file.

So that i don't have to add Newtonsoft.Json stuff to the sandbox whitelist.

YAML is a JSON superset after all...

Content.Client/UserInterface/CreditsWindow.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using Content.Client.UserInterface.Stylesheets;
-using Newtonsoft.Json;
 using Robust.Client.Credits;
 using Robust.Client.Interfaces.ResourceManagement;
 using Robust.Client.UserInterface;
@@ -13,6 +12,7 @@ using Robust.Shared.IoC;
 using Robust.Shared.Localization;
 using Robust.Shared.Maths;
 using Robust.Shared.Utility;
+using YamlDotNet.RepresentationModel;
 
 namespace Content.Client.UserInterface
 {
@@ -82,7 +82,7 @@ namespace Content.Client.UserInterface
             var margin = new MarginContainer {MarginLeftOverride = 2, MarginTopOverride = 2};
             var vBox = new VBoxContainer();
             margin.AddChild(vBox);
-            var patrons = ReadJson<PatronEntry[]>("/Credits/Patrons.json");
+            var patrons = LoadPatrons();
 
             Button patronButton;
             vBox.AddChild(patronButton = new Button
@@ -117,6 +117,16 @@ namespace Content.Client.UserInterface
             patronsList.AddChild(margin);
         }
 
+        private IEnumerable<PatronEntry> LoadPatrons()
+        {
+            var yamlStream = _resourceManager.ContentFileReadYaml(new ResourcePath("/Credits/Patrons.json"));
+            var sequence = (YamlSequenceNode) yamlStream.Documents[0].RootNode;
+
+            return sequence
+                .Cast<YamlMappingNode>()
+                .Select(m => new PatronEntry(m["Name"].AsString(), m["Tier"].AsString()));
+        }
+
         private void PopulateCredits(Control contributorsList)
         {
             Button contributeButton;
@@ -141,6 +151,7 @@ namespace Content.Client.UserInterface
             });
 
             var first = true;
+
             void AddSection(string title, string path, bool markup = false)
             {
                 if (!first)
@@ -190,29 +201,16 @@ namespace Content.Client.UserInterface
             }
         }
 
-        private T ReadJson<T>(string path)
-        {
-            var serializer = new JsonSerializer();
-
-            using var stream = _resourceManager.ContentFileRead(path);
-            using var streamReader = new StreamReader(stream);
-            using var jsonTextReader = new JsonTextReader(streamReader);
-
-            return serializer.Deserialize<T>(jsonTextReader)!;
-        }
-
-        [JsonObject(ItemRequired = Required.Always)]
         private sealed class PatronEntry
         {
-            public string Name { get; set; } = default!;
-            public string Tier { get; set; } = default!;
-        }
+            public string Name { get; }
+            public string Tier { get; }
 
-        [JsonObject(ItemRequired = Required.Always)]
-        private sealed class OpenSourceLicense
+            public PatronEntry(string name, string tier)
             {
-            public string Name { get; set; } = default!;
-            public string License { get; set; } = default!;
+                Name = name;
+                Tier = tier;
+            }
         }
     }
 }