Hi,
Thanks for posting in Microsoft MECM Q&A forum.
No, deleting a package does not delete the driver or affect other packages. Also, if you delete a driver from a driver package, the driver will still remain in the Driver catalog and other driver packages it belongs to.
Additionally, to free up the disk space on the site server, please delete all the unwanted applications, drivers, OS and packages on the SCCM console. Please also remember to delete the files that you manually place into a location (source location). Driver/application packages never reference this location again. Similar thread for your reference:
Deleting driver packages; doesn't remove files from stored directory?
Best regards,
Simon
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