refactor(api): remove getEpisodesBySeriesId method and update availabilitySync to use getEpisodes

Signed-off-by: 0xsysr3ll <0xsysr3ll@pm.me>

server/api/servarr/sonarr.ts

@@ -451,20 +451,6 @@ class SonarrAPI extends ServarrBase<{
     }
   };
 
-  public async getEpisodesBySeriesId(
-    seriesId: number
-  ): Promise<EpisodeResult[]> {
-    try {
-      const response = await this.axios.get<EpisodeResult[]>(`/episode`, {
-        params: { seriesId },
-      });
-      return response.data;
-    } catch (e) {
-      throw new Error(
-        `[Sonarr] Failed to retrieve episodes for series: ${e.message}`
-      );
-    }
-  }
 }
 
 export default SonarrAPI;

server/lib/availabilitySync.ts

@@ -784,7 +784,7 @@ class AvailabilitySync {
           sonarr.statistics.episodeFileCount > 0
         ) {
           try {
-            const episodes = await sonarrAPI.getEpisodesBySeriesId(serviceId);
+            const episodes = await sonarrAPI.getEpisodes(serviceId);
             this.sonarrEpisodesCache[`${server.id}-${serviceId}`] = episodes;
           } catch (err) {
             logger.error('Failed to fetch episodes for caching', {