$ sudo apt-get remove bs1770gain 

Uninstall bs1770gain including dependent package

If you would like to remove bs1770gain and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove bs1770gain 

Use Purging bs1770gain

If you use with purge options to bs1770gain package all the configuration and dependent packages will be removed.

$ sudo apt-get purge bs1770gain 

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 bs1770gain 

See Also,