Reference:
Https://stackoverflow.com/questions/22983101/how-to-uninstall-intellij-idea-on-ubuntu-13-10
@SLH_IB
Https://askubuntu.com/questions/300684/uninstall-intellij-ultimate-edition-version-12
@lena
The installation is done with the bin/idea.sh installed after extracting the idea compression package.
Then want to uninstall, directly delete the extracted idea program directory is not enough, you must also put the/home/directory. IDEAIC2017.2/This hidden directory to delete the total uninstall, or can not be re-installed
To remove the product completely, do the following:
Delete the installation directory
Delete the "config" and "system" configuration directories. These contain IntelliJ idea ' s caches, configuration and plugins.
See http://devnet.jetbrains.net/docs/DOC-181 for the OS specific locations of these and both directories.
That should is all need.
Ubuntu unloaded load IntelliJ idea Community