Removes API endpoint test file

Deletes the `Api.http` file, which was used for interacting with API endpoints.

Author: Chugarah

Controllers/LocationController.cs

@@ -10,7 +10,7 @@ namespace NexusPoint.Controllers;
 /// LocationController
 /// </summary>
 [ApiController]
-[Route("api/[controller]")]
+[Route("/[controller]")]
 public class LocationController(
     ILocationService locationService,
     IWebHostEnvironment webHostEnvironment