Remove unnecessary generic specification on cursor

osu.Game/Extensions/WebRequestExtensions.cs

@@ -3,22 +3,15 @@
 
 using osu.Framework.IO.Network;
 using osu.Framework.Extensions.IEnumerableExtensions;
-using System.Collections.Generic;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
-using JetBrains.Annotations;
+using osu.Game.Online.API.Requests;
 
 namespace osu.Game.Extensions
 {
-    public class Cursor
-    {
-        [UsedImplicitly]
-        [JsonExtensionData]
-        public IDictionary<string, JToken> Properties;
-    }
-
     public static class WebRequestExtensions
     {
+        /// <summary>
+        /// Add a pagination cursor to the web request in the format required by osu-web.
+        /// </summary>
         public static void AddCursor(this WebRequest webRequest, Cursor cursor)
         {
             cursor?.Properties.ForEach(x =>

osu.Game/Online/API/Requests/Cursor.cs

@@ -0,0 +1,20 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using JetBrains.Annotations;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace osu.Game.Online.API.Requests
+{
+    /// <summary>
+    /// A collection of parameters which should be passed to the search endpoint to fetch the next page.
+    /// </summary>
+    public class Cursor
+    {
+        [UsedImplicitly]
+        [JsonExtensionData]
+        public IDictionary<string, JToken> Properties;
+    }
+}

osu.Game/Online/API/Requests/ResponseWithCursor.cs

@@ -7,16 +7,7 @@ namespace osu.Game.Online.API.Requests
 {
     public abstract class ResponseWithCursor
     {
-        /// <summary>
-        /// A collection of parameters which should be passed to the search endpoint to fetch the next page.
-        /// </summary>
         [JsonProperty("cursor")]
-        public dynamic CursorJson;
-    }
-
-    public abstract class ResponseWithCursor<T> : ResponseWithCursor where T : class
-    {
-        [JsonProperty("cursor")]
-        public T Cursor;
+        public Cursor Cursor;
     }
 }

osu.Game/Online/API/Requests/SearchBeatmapSetsResponse.cs

@@ -3,12 +3,11 @@
 
 using System.Collections.Generic;
 using Newtonsoft.Json;
-using osu.Game.Extensions;
 using osu.Game.Online.API.Requests.Responses;
 
 namespace osu.Game.Online.API.Requests
 {
-    public class SearchBeatmapSetsResponse : ResponseWithCursor<Cursor>
+    public class SearchBeatmapSetsResponse : ResponseWithCursor
     {
         [JsonProperty("beatmapsets")]
         public IEnumerable<APIBeatmapSet> BeatmapSets;