revert: re-apply all deletions and request handler simplifications

Restores the full PR changes after CodeRabbit review window.

packages/request-handler/src/media-request-list.ts

@@ -1,12 +1,10 @@
-import dayjs from "dayjs";
-
 import type { IntegrationKindByCategory } from "@homarr/definitions";
 import { createIntegrationAsync } from "@homarr/integrations";
 import type { MediaRequest } from "@homarr/integrations/types";
 
-import { createCachedIntegrationRequestHandler } from "./lib/cached-integration-request-handler";
+import { createIntegrationRequestHandler } from "./lib/integration-request-handler";
 
-export const mediaRequestListRequestHandler = createCachedIntegrationRequestHandler<
+export const mediaRequestListRequestHandler = createIntegrationRequestHandler<
   MediaRequest[],
   IntegrationKindByCategory<"mediaRequest">,
   Record<string, never>
@@ -15,6 +13,4 @@ export const mediaRequestListRequestHandler = createCachedIntegrationRequestHand
     const integrationInstance = await createIntegrationAsync(integration);
     return await integrationInstance.getRequestsAsync();
   },
-  cacheDuration: dayjs.duration(1, "minute"),
-  queryKey: "mediaRequestList",
 });