Fixed a ban where a custom setting was mistakenly created when starting the game if it did not exist.

Now when starting the game, if a custom setting was created, the current game will be displayed in the settings window.
Code cleanup.

src/Ryujinx/Program.cs

@@ -23,7 +23,6 @@ using System.Collections.Generic;
 using System.IO;
 using System.Runtime.InteropServices;
 using System.Threading.Tasks;
-using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace Ryujinx.Ava
 {
@@ -157,13 +156,14 @@ namespace Ryujinx.Ava
             }
         }
 
-        public static void ReloadGameConfig(string gamedir)
+        public static bool FindGameConfig(string gameDir)
         {
-            if (File.Exists(gamedir))
+            if (File.Exists(gameDir))
             {
-                ConfigurationPath = gamedir;
+                return true;
             }
 
+            return false;
         }
 
         public static string GetDirGameUserConfig(string gameId, bool rememberGlobalDir = false, bool changeFolderForGame = false)