Drop stale .app.json reference from release workflow JSON check

Author: MajidAbuRmila

.github/workflows/release.yml

@@ -71,7 +71,6 @@ jobs:
             plugins/cpln/.codex-plugin/plugin.json \
             plugins/cpln/.codex-plugin/mcp.json \
             plugins/cpln/.claude-mcp.json \
-            plugins/cpln/.app.json \
             plugins/cpln/hooks/cpln-hooks.json
 
       - name: Extract release notes from CHANGELOG