fix: remove redundant docs_url property

Author: ralphjsmit

content/plugins/ralphjsmit-media-library-manager.md

@@ -7,7 +7,6 @@ checkout_url: https://filamentplugins.com/filament-media-library-pro?referer=fil
 price: €99.00
 description: A top-tier Media Management experience for Filament. Easily give your users the ability to upload, organise, and manage media files with advanced features like custom actions, filters, sorters, and permissions.
 discord_url: https://discord.com/channels/883083792112300104/961393209639067698
-docs_url: https://ralphjsmit.com/content/products/filament-media-library-pro.md
 docs_urls:
   v4: https://ralphjsmit.com/content/products/filament-media-library-pro/v4.md
   v3: https://ralphjsmit.com/content/products/filament-media-library-pro/v3.md