refactor: simplify social links configuration in VitePress

- Removed unnecessary entries from the social links array
- Retained only the GitHub link for clarity and conciseness
- Streamlined the configuration for better maintainability

Author: Thavarshan

docs/.vitepress/config.ts

@@ -145,14 +145,7 @@ export default defineConfig({
     ],
 
     socialLinks: [
-      { icon: 'github', link: 'https://github.com/altus4/core' },
-      {
-        icon: {
-          svg: '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m3 9 9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/><polyline points="9,22 9,12 15,12 15,22"/></svg>',
-        },
-        link: 'https://altus4.thavarshan.com',
-        ariaLabel: 'Back to Main Site',
-      },
+      { icon: 'github', link: 'https://github.com/altus4/core' }
     ],
   },
 });