$ sudo apt-get remove libjpeg62-turbo 

Uninstall libjpeg62-turbo including dependent package

If you would like to remove libjpeg62-turbo and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libjpeg62-turbo 

Use Purging libjpeg62-turbo

If you use with purge options to libjpeg62-turbo package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libjpeg62-turbo 

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 libjpeg62-turbo 

See Also,