How to uninstall libx32objc-4.7-dev from Ubuntu
To uninstall just libx32objc-4.7-dev package itself from Ubuntu execute on terminal:
sudo apt-get remove libx32objc-4.7-dev
Uninstall libx32objc-4.7-dev and it's dependent packages
To uninstall the libx32objc-4.7-dev package and any other dependant package which are no longer needed on Ubuntu.
sudo apt-get autoremove libx32objc-4.7-dev
If you also want to delete configuration and/or data files of libx32objc-4.7-dev from Ubuntu then this will work:
sudo apt-get purge libx32objc-4.7-dev
To delete configuration and/or data files of libx32objc-4.7-dev and it's dependencies from Ubuntu then execute:
sudo apt-get autoremove --purge libx32objc-4.7-dev
libx32objc-4.7-dev package information
Runtime library for GNU Objective-C applications (x32 development files)
More information about apt-get remove
apt-get remove is identical to install except that packages are removed instead of installed. Note that removing a package leaves its configuration files on the system. If a plus sign is appended to the package name (with no intervening space), the identified package will be installed instead of removed.