$ sudo apt-get remove kile 

Uninstall kile including dependent package

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

$ sudo apt-get remove --auto-remove kile 

Use Purging kile

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

$ sudo apt-get purge kile 

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 kile 

See Also,