$ sudo apt-get remove libjs-moxie 

Uninstall libjs-moxie including dependent package

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

$ sudo apt-get remove --auto-remove libjs-moxie 

Use Purging libjs-moxie

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

$ sudo apt-get purge libjs-moxie 

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 libjs-moxie 

See Also,