chore: clean documentation page about version engine (#960)

Co-authored-by: project-defiant <[email protected]>

docs/python_api/common/_common.md

@@ -5,5 +5,4 @@ title: Common
 Common utilities used in gentropy package.
 
 - [**Genomic Region**](genomic_region.md): class to represent genomic regions
-- [**Version Engine**](version_engine.md): class to extract version from datasource input paths
 - [**Types**](types.md): Literal types used in the gentropy