Some code cleanup

API/Controllers/LibraryController.cs

@@ -147,7 +147,6 @@ namespace API.Controllers
         [HttpPost("scan")]
         public ActionResult Scan(int libraryId)
         {
-            // TODO: We shouldn't queue up a job if one is already in progress
             _taskScheduler.ScanLibrary(libraryId);
             return Ok();
         }