feat: delete message id when title no longer airing

src/libs/maybeScheduleNextAiringEpisode.ts

@@ -5,6 +5,7 @@ import { setTitleMessage } from "~/models/titleMessages";
 import type { Env } from "~/types/env";
 
 import { getNextEpisodeTimeUntilAiring } from "./anilist/getNextEpisodeAiringAt";
+import { deleteMessageIdForTitle } from "./deleteMessageIdForTitle";
 import { getCurrentDomain } from "./getCurrentDomain";
 
 export async function maybeScheduleNextAiringEpisode(
@@ -14,6 +15,7 @@ export async function maybeScheduleNextAiringEpisode(
 ) {
   const nextAiring = await getNextEpisodeTimeUntilAiring(aniListId);
   if (!nextAiring) {
+    await deleteMessageIdForTitle(env, aniListId);
     return;
   }