Made API models internal. Removed Discord.Net.API.

src/Discord.Net.Rest/API/Common/UserGuild.cs

@@ -0,0 +1,19 @@
+#pragma warning disable CS1591
+using Newtonsoft.Json;
+
+namespace Discord.API
+{
+    internal class UserGuild
+    {
+        [JsonProperty("id")]
+        public ulong Id { get; set; }
+        [JsonProperty("name")]
+        public string Name { get; set; }
+        [JsonProperty("icon")]
+        public string Icon { get; set; }
+        [JsonProperty("owner")]
+        public bool Owner { get; set; }
+        [JsonProperty("permissions"), Int53]
+        public ulong Permissions { get; set; }
+    }
+}