Remove Specter Desktop from app store (#1743)

specter-desktop/umbrel-app.yml

@@ -1,10 +1,13 @@
-manifestVersion: 1
+manifestVersion: 1.2
 id: specter-desktop
 category: bitcoin
 name: Specter Desktop
 version: "2.0.2"
 tagline: Multisig with hardware wallets made easy
 description: >-
+  ⚠️ Removal Notice: Specter Desktop currently does not work with Bitcoin Core v28. Specter Desktop developers are aware of the issue: https://github.com/cryptoadvance/specter-desktop/issues/2473. 
+
+
   Specter Desktop can be used to connect to the Bitcoin Core running on your Umbrel or an Electrum Server.
   It functions as a watch-only coordinator for multi-signature and single-key
   Bitcoin wallets. At the moment Specter Desktop is working with all major
@@ -56,3 +59,4 @@ releaseNotes: >-
   This is a large update that takes Specter Desktop from 1.14.5 to 2.0.2! Full release notes and detailed information is available at https://github.com/cryptoadvance/specter-desktop/releases
 submitter: k9ert
 submission: https://github.com/getumbrel/umbrel/pull/339
+disabled: true