To uninstall boinc-client-opencl just follow these instructions.
sudo apt-get remove boinc-client-opencl
This will remove just the boinc-client-opencl package itself.
sudo apt-get remove --auto-remove boinc-client-opencl
This will remove the boinc-client-opencl package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for boinc-client-opencl then this will work.
sudo apt-get purge boinc-client-opencl
Or similarly, like this boinc-client-opencl
sudo apt-get purge --auto-remove boinc-client-opencl
|Maintainer||Debian BOINC Maintainers <email@example.com>|
|Description||metapackage for AMD/ATI OpenCL-savvy BOINC client and manager software platform for distributed computing: several initiatives of various scientific disciplines all compete for the idle time of desktop computers. The developers' web site at the University of Berkeley serves as a common portal to the otherwise independently run projects.|