Remove telegram_notify_targets from Immich Album Watcher

Simplify Telegram recipient configuration to only use input_text
entities for chat IDs. Removes the notify entity friendly name
parsing which was complex and error-prone.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

manifest.json

@@ -1,3 +1,3 @@
 {
-  "version": "1.30.0"
+  "version": "1.31.0"
 }