Remove rails-query from marketplace

.claude-plugin/marketplace.json

@@ -1543,21 +1543,6 @@
       },
       "homepage": "https://quarkus.io"
     },
-    {
-      "name": "rails-query",
-      "description": "Run read-only database queries against a Ruby on Rails 8.2+ app's database via `rails query` — ActiveRecord or SQL, schema/model introspection, EXPLAIN, pagination, and remote execution via Kamal.",
-      "author": {
-        "name": "Lewis Buckley",
-        "url": "https://github.com/lewispb"
-      },
-      "category": "development",
-      "source": {
-        "source": "github",
-        "repo": "lewispb/rails-query-skill",
-        "commit": "0f53fa861089e1f46097db9a92aea311f340c355"
-      },
-      "homepage": "https://github.com/lewispb/rails-query-skill"
-    },
     {
       "name": "railway",
       "description": "Deploy and manage apps, databases, and infrastructure on Railway. Covers project setup, deploys, environment configuration, networking, troubleshooting, and monitoring.",