Fixed: Workaround net6 object serialization issues

Co-Authored-By: ta264 <ta264@users.noreply.github.com>

frontend/src/Store/Actions/Creators/createRemoveItemHandler.js

@@ -14,7 +14,6 @@ function createRemoveItemHandler(section, url) {
 
     const ajaxOptions = {
       url: `${url}/${id}?${$.param(queryParams, true)}`,
-      dataType: 'text',
       method: 'DELETE'
     };
 

src/Prowlarr.Api.V1/Indexers/IndexerEditorController.cs

@@ -76,7 +76,7 @@ namespace Prowlarr.Api.V1.Indexers
         {
             _indexerService.DeleteIndexers(resource.IndexerIds);
 
-            return new object();
+            return new { };
         }
     }
 }

src/Prowlarr.Api.V1/ProviderControllerBase.cs

@@ -102,9 +102,11 @@ namespace Prowlarr.Api.V1
         }
 
         [RestDeleteById]
-        public void DeleteProvider(int id)
+        public object DeleteProvider(int id)
         {
             _providerFactory.Delete(id);
+
+            return new { };
         }
 
         [HttpGet("schema")]