Code cleanup

Controllers/v1/SongDataController.cs

@@ -1,16 +1,5 @@
-using System;
-using System.Collections.Generic;
-using System.Configuration;
-using System.IO;
-using System.Linq;
-using System.Threading.Tasks;
-
-using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.Logging;
-using Newtonsoft.Json;
 
 using Icarus.Controllers.Managers;
 using Icarus.Models;