$ sudo apt-get remove liblas-c3 

Uninstall liblas-c3 including dependent package

If you would like to remove liblas-c3 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove liblas-c3 

Use Purging liblas-c3

If you use with purge options to liblas-c3 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge liblas-c3 

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 liblas-c3 

See Also,