chore: update integrations list readme (#5972)

Co-authored-by: Homarr Update Contributors <210161987+homarr-update-contributors[bot]@users.noreply.github.com>

packages/definitions/src/docs/homarr-docs-sitemap.ts

@@ -178,7 +178,6 @@ export type HomarrDocumentationPath =
   | "/docs/integrations/emby"
   | "/docs/integrations/github-containerregistry"
   | "/docs/integrations/github"
-  | "/docs/integrations/gotify"
   | "/docs/integrations/gitlab"
   | "/docs/integrations/glances"
   | "/docs/integrations/home-assistant"