Refactor

src/InternshipSystem.Api/Controllers/EditionManagementController.cs

@@ -157,7 +157,6 @@ namespace InternshipSystem.Api.Controllers
                 return Conflict();
             }
             
-            Context.Editions.Attach(editionToDelete);
             Context.Editions.Remove(editionToDelete);
             await Context.SaveChangesAsync(token);
             return Ok();

src/InternshipSystem.Api/Controllers/InternshipTypesController.cs

@@ -163,7 +163,6 @@ namespace InternshipSystem.Api.Controllers
                 return NotFound($"Internship type with id: {internshipTypeId} does not exist");
             }
 
-            Context.InternshipTypes.Attach(internshipTypeToDelete);
             Context.InternshipTypes.Remove(internshipTypeToDelete);
             await Context.SaveChangesAsync(cancellationToken);
             return Ok($"Internship type with id: {internshipTypeId} deleted successfully");

src/InternshipSystem.Api/Controllers/StaticPagesController.cs

@@ -155,7 +155,6 @@ namespace InternshipSystem.Api.Controllers
                 return NotFound($"Static page with access name: {accessName} does not exist");
             }
 
-            Context.StaticPages.Attach(pageToDelete);
             Context.StaticPages.Remove(pageToDelete);
             await Context.SaveChangesAsync(cancellationToken);
             return Ok($"Static page with access name: {accessName} deleted successfully");