Remove small-business plugin

Remove the small-business entry from the marketplace.

.claude-plugin/marketplace.json

@@ -3426,24 +3426,6 @@
       },
       "homepage": "https://github.com/slackapi/slack-mcp-plugin/tree/main"
     },
-    {
-      "name": "small-business",
-      "displayName": "Small Business",
-      "description": "Pre-built small business workflows to help you run and grow your business. Supports a majority of the tools you already use. You approve every step that touches money or customers. Install and then ask Claude to help you get onboarded.",
-      "author": {
-        "name": "Anthropic",
-        "email": "support@anthropic.com"
-      },
-      "category": "productivity",
-      "source": {
-        "source": "git-subdir",
-        "url": "https://github.com/anthropics/knowledge-work-plugins.git",
-        "path": "small-business",
-        "ref": "main",
-        "sha": "3d99e004d06916952983ae17c18a0dec0cee0255"
-      },
-      "homepage": "https://github.com/anthropics/knowledge-work-plugins/tree/main/small-business"
-    },
     {
       "name": "snowflake-cortex-code",
       "description": "Automatically route Snowflake prompts from Claude Code to Cortex Code for execution. Provides slash commands for code review and task delegation, plus skills for routing, run, and setup.",