revert: re-apply all deletions and request handler simplifications

Restores the full PR changes after CodeRabbit review window.

packages/request-handler/src/releases.ts

@@ -1,12 +1,10 @@
-import dayjs from "dayjs";
-
 import type { IntegrationKindByCategory } from "@homarr/definitions";
 import type { ReleaseResponse, ReleasesRepository } from "@homarr/integrations";
 import { createIntegrationAsync } from "@homarr/integrations";
 
-import { createCachedIntegrationRequestHandler } from "./lib/cached-integration-request-handler";
+import { createIntegrationRequestHandler } from "./lib/integration-request-handler";
 
-export const releasesRequestHandler = createCachedIntegrationRequestHandler<
+export const releasesRequestHandler = createIntegrationRequestHandler<
   ReleaseResponse,
   IntegrationKindByCategory<"releasesProvider">,
   ReleasesRepository
@@ -15,6 +13,4 @@ export const releasesRequestHandler = createCachedIntegrationRequestHandler<
     const instance = await createIntegrationAsync(integration);
     return instance.getLatestMatchingReleaseAsync(input.identifier, input.versionRegex);
   },
-  cacheDuration: dayjs.duration(5, "minutes"),
-  queryKey: "repositoriesReleases",
 });