To uninstall caja just follow these instructions.
sudo apt-get remove caja
This will remove just the caja package itself.
sudo apt-get remove --auto-remove caja
This will remove the caja package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for caja then this will work.
sudo apt-get purge caja
Or similarly, like this caja
sudo apt-get purge --auto-remove caja
|Maintainer||MATE Packaging Team <[email protected]>|
|Description||file manager for the MATE desktop to browse directories, preview files and launch applications associated with them. It is also responsible for handling the icons on the MATE desktop. It works on local and remote filesystems.|