fix: remove link from the Open source dropdown

Author: jirispilka

apify-docs-theme/src/config.js

@@ -122,10 +122,6 @@ const themeConfig = {
                         label: 'Apify on GitHub',
                         href: 'https://github.com/apify',
                     },
-                    {
-                       label: 'Apify MCP Server',
-                       href: 'https://github.com/apify/apify-mcp-server',
-                    },
                     {
                         label: 'Actor whitepaper',
                         href: 'https://whitepaper.actor',