How to uninstall or remove libicu55-dbg software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed libicu55-dbg package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove libicu55-dbg

Uninstall libicu55-dbg including dependent package

If you would like to remove libicu55-dbg and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libicu55-dbg

Use Purging libicu55-dbg

If you use with purge options to libicu55-dbg package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libicu55-dbg

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 libicu55-dbg