Fix Nextcloud docs link

Remove `git clone` from the link to Nextcloud docs download

README.md

@@ -7,7 +7,7 @@ pretty_name: Nextcloud docs
 
 ## Nextcloud docs
 * The official Nextcloud documentation, converted into .JSONL format
-* I downloaded all of the docs from here: git clone https://github.com/nextcloud/documentation.git
+* I downloaded all of the docs from here: https://github.com/nextcloud/documentation.git
 * The script I used to convert is availiable on GitHub: https://github.com/dapper-11/docs-to-json
 
 ## Use cases