Change to lambda method

osu.Game/OsuGameBase.cs

@@ -69,7 +69,7 @@ namespace osu.Game
         /// </summary>
         private const double global_track_volume_adjust = 0.8;
 
-        public virtual bool UseDevelopmentServer { get; }
+        public virtual bool UseDevelopmentServer => DebugUtils.IsDebugBuild;
 
         public virtual Version AssemblyVersion => Assembly.GetEntryAssembly()?.GetName().Version ?? new Version();
 
@@ -177,7 +177,6 @@ namespace osu.Game
 
         public OsuGameBase()
         {
-            UseDevelopmentServer = DebugUtils.IsDebugBuild;
             Name = @"osu!";
         }