$ sudo apt-get remove gr-hpsdr 

Uninstall gr-hpsdr including dependent package

If you would like to remove gr-hpsdr and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove gr-hpsdr 

Use Purging gr-hpsdr

If you use with purge options to gr-hpsdr package all the configuration and dependent packages will be removed.

$ sudo apt-get purge gr-hpsdr 

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove gr-hpsdr 

See Also,